CN207756459U - A kind of flyash drum screen - Google Patents

Abstract

The utility model discloses a fly ash rolling sieve; it comprises a base, a rolling sieve body, a rotary drive motor, a funnel, a belt conveyor and a feeding trough, and also includes a swing drive frame and a hinged support frame, the swing drive frame and The hinged support frames are respectively arranged at both ends of the base. The rolling screen body includes a rotating shaft and a screen cylinder fixed on the outer circumference of the rotating shaft. One end of the rotating shaft is connected to the swing driving frame, and the other end is connected to the hinged supporting frame. The motor is connected to the other end of the rotating shaft, the funnel is fixed on the base and located below the screen drum, the belt conveyor is fixed on the base and located below the funnel, the feeding chute is detachably arranged on the base and located on the swing drive Above the frame; the utility model has a reasonable structural design, and can use the connection between the swing drive frame and the hinged support frame and the rolling sieve body to realize the up and down swing of the rolling sieve body, and obtain better screening effect during the fly ash screening process. Can promote the improvement of screening efficiency.

Description

A kind of fly ash rolling sieve

technical field

The utility model relates to the technical field of fly ash processing, in particular to a fly ash rolling sieve.

Background technique

During the processing of fly ash, fly ash needs to be screened; in the actual processing process, drum screens are used for screening, and the existing drum screens are structurally designed: the inclination angle of the screen drum is fixed, and the length of the screen drum is fixed The principle of screening is that the rotating drive motor drives the rotating shaft to rotate, and the rotating shaft drives the screen cylinder to rotate, and the fly ash slides down along the screen cylinder, and the fly ash that meets the requirements falls through the sieve holes on the screen cylinder, and the powder that does not meet the requirements The ash is discharged from the lower end of the sieve cylinder; during the production and processing process, the supply of fly ash increases, so that the fly ash accumulated in the sieve cylinder cannot be effectively screened, and the screening effect is not good. If the amount of fly ash is reduced Supply quantity will affect production efficiency. Therefore, it is necessary to improve the prior art.

Utility model content

The purpose of the utility model is to provide a fly ash rolling sieve with reasonable structural design, convenient use, and improved fly ash screening efficiency and screening effect in view of the deficiencies in the prior art.

The technical scheme that the utility model adopts for realizing the above object is:

A fly ash rolling screen includes a base, a rolling screen body, a rotary drive motor, a funnel, a belt conveyor, and a feeding trough, and also includes a swing drive frame and a hinged support frame, which are respectively arranged on At both ends of the base, the rolling screen body includes a rotating shaft and a screen cylinder fixed on the outer circumference of the rotating shaft. One end of the rotating shaft is connected to the swing driving frame, and the other end is connected to the hinged support frame. The rotating drive motor is connected to the other end of the rotating shaft. connected, the funnel is fixed on the base and located below the screen cylinder, the belt conveyor is fixed on the base and located below the funnel, and the feeding chute is detachably arranged on the base and located above the swing drive frame;

Further, the swing drive frame includes a lifting support column, a lifting adjustment device and a swing driving device, and the two lifting support columns are arranged side by side on the base, and a track groove is arranged on the lifting support column, and the lifting adjustment device is arranged on Between the track grooves of the two lifting support columns, the swing driving device is arranged on the lifting adjustment device;

Further, the lifting adjustment device includes a sliding support frame and a hydraulic jack, the two ends of the sliding support frame are adapted to the track grooves, the top end of the hydraulic jack is connected to the sliding support frame, and the bottom end is fixedly connected to the base;

Further, the swing driving device includes a first bearing seat, a follow-up support plate, a clamping track plate, a swing drive motor and an eccentric wheel, the first bearing seat is connected to one end of the rotating shaft, and the follow-up support plate is fixed on Below the first bearing seat, the two clamping track plates are arranged side by side on the sliding support frame, the swing drive motor is fixed on the sliding support frame, the eccentric wheel is located between the two clamping track plates, and the The output shaft end of the swing driving motor passes through a clamping track plate and is connected with the eccentric wheel. The follow-up support plate is clamped between two clamping track plates and its lower end surface is matched with the eccentric wheel;

Further, the lower end surface of the moving support plate is arc-shaped;

Further, the hinged support frame includes a fixed support column, a beam, a support lug, a hinge lug, a pin shaft and a second bearing seat, the two fixed support columns are arranged side by side on the base, and the beam is fixedly connected to the two Between two fixed support columns, two supporting lugs are arranged side by side on the beam, and the hinged lugs are hinged between the two supporting lugs through pin shafts. The lower end of the second bearing seat is fixedly connected with the hinged lugs, and the second The bearing seat is connected to the other end of the rotating shaft, and the rotating drive motor is fixed on the second bearing seat;

Further, the funnel is provided with a lateral discharge chute communicating with the outside thereof, the lateral discharge chute is located below the edge of one end of the sieve cylinder, and the edge of the one end of the sieve cylinder is adjacent to the hinged support frame.

The beneficial effects of the utility model are:

The utility model sets a swing driving frame and a hinged support frame, so that the rolling screen body can swing up and down relative to the hinged support frame under the action of the swing drive frame, and at the same time, the rotating drive motor drives the rolling screen body to rotate. In this way, the fly ash The inside of the rolling sieve body is also affected by the force generated by the up and down swing of the rolling sieve body, which strengthens the interaction between the fly ash and the rolling sieve body, which can realize the rapid and efficient screening of fly ash, ensure the screening effect, and promote Increased screening efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front structural schematic diagram of the utility model;

Fig. 3 is a left view structural schematic diagram of Fig. 2;

FIG. 4 is a schematic view of the right structure of FIG. 2 .

Among them: 1-base; 2-rolling screen body; 3-rotary drive motor; 4-hopper; 5-belt conveyor; 6-feeding trough; 7-swing drive frame; 8-hinged support frame; - screen drum; 11- lifting support column; 12- lifting adjustment device; 13- swing driving device; 14- track groove; 15- sliding support frame; 16- hydraulic jack; 17- first bearing seat; Plate; 19-clamping track plate; 20-swing drive motor; 21-eccentric wheel; 22-fixed support column; 23-beam; 24-support lug plate; 25-hinged lug plate; Two bearing housings; 28-side discharge chute.

Detailed ways

Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described:

As shown in Figures 1 to 4, a fly ash rolling screen includes a base 1, a rolling screen body 2, a rotating drive motor 3, a funnel 4, a belt conveyor 5 and a feeding trough 6, and also includes a swing driving frame 7 and a hinged The support frame 8, the swing drive frame 7 and the hinged support frame 8 are respectively arranged at the two ends of the base 1, and the rolling screen body 2 includes a rotating shaft 9 and a screen cylinder 10 fixed on the outer circumference of the rotating shaft 9, and one end of the rotating shaft 9 It is connected with the swing drive frame 7, the other end is connected with the hinged support frame 8, the other end of the rotary drive motor 3 is connected with the rotating shaft 9, the funnel 4 is fixed on the base 1 and is located below the sieve cylinder 10, and the belt conveys The machine 5 is fixed on the base 1 and is located below the funnel 4 , and the feeding trough 6 is detachably arranged on the base 1 and is located above the swing driving frame 7 .

The base 1 is in the shape of a flat plate or a quadrangular frame. In order to save material, it is preferably in the shape of a quadrangular frame. The material can be square steel or I-beam; The driving frame 7 is used to support the rotating shaft 9, and can drive the rotating shaft 9 to swing up and down; the feeding trough 6 can have the function of adjusting the height up and down, and the specific setting can be adjusted by the adjustable legs, and the bolts and nuts can be used to realize detachment with the base 1 Connection.

The swing driving frame 7 comprises a lifting support column 11, a lifting adjustment device 12 and a swing driving device 13. The two lifting support columns 11 are arranged side by side on the base 1, and a track groove 14 is arranged on the lifting support column 11. The adjusting device 12 is arranged between the track grooves 14 of the two lifting support columns 11, and the swing driving device 13 is arranged on the lifting adjusting device 12;

The lifting support column 11 utilizes its track groove 14 to provide a lifting adjustment track for the lifting adjustment device 12, providing a guiding effect; the lifting adjustment device 12 is used to adjust the up and down height of the swing driving device 13, which determines the inclination angle of the rotating shaft 9; The driving device 13 is a device that drives the rotating shaft 9 to swing up and down.

The lifting adjustment device 12 includes a sliding support frame 15 and a hydraulic jack 16, the two ends of the sliding support frame 15 are adapted to the track groove 14, the top of the hydraulic jack 16 is connected with the sliding support frame 15, and the bottom end is connected with the base 1 Fixedly connected; hydraulic jack 16 can adopt the hydraulic jack of manual adjustment during practical application; Through the adjustment of hydraulic jack 16, sliding support frame 15 can be moved up and down along track groove 14.

The swing driving device 13 includes a first bearing seat 17, a follow-up support plate 18, a clamping track plate 19, a swing drive motor 20 and an eccentric wheel 21, the first bearing seat 17 is connected with one end of the rotating shaft 9, and the follow-up support The plate 18 is fixedly arranged below the first bearing seat 17, the two clamping track plates 19 are arranged side by side on the sliding support frame 15, the swing drive motor 20 is fixed on the sliding support frame 15, and the eccentric wheel 21 is located on the Between the two clamping track plates 19, the output shaft end of the swing drive motor 20 passes through a clamping track plate 19 and is connected with the eccentric wheel 21, and the follow-up support plate 18 is clamped on the two clamping track plates Between the plates 19 and its lower end face cooperates with the eccentric wheel 21 .

The first bearing seat 17 is connected to one end of the rotating shaft 9 through a bearing, and the rotating shaft 9 can rotate on the first bearing seat 17, and is also fixed in the axial direction by the first bearing seat 17; the follower support plate 18 is clamped between the two Between the block clamping track plates 19, the position limiting of the first bearing seat 17 can be realized, avoiding the synchronous rotation of the first bearing seat 17 and the rotating shaft 9, and making the first bearing seat 17 have a track for moving up and down; the swing drive motor 20 When rotating, the eccentric wheel 21 can be driven to realize eccentric rotation, and the eccentric wheel 21 can act on the follower support plate 18, so that the up and down swing of the first bearing seat 17 can be realized, thereby also the up and down swing of the rotating shaft 9 can be realized.

The lower end surface of the follower support plate 18 is arc-shaped; it can increase the contact area and avoid excessive wear on the working surface of the eccentric wheel 21 and the follower support plate 18; the cooperation between the follower support plate 18 and the eccentric wheel 21 is a separable structure , to facilitate maintenance of equipment;

The hinged support frame 8 includes a fixed support column 22, a beam 23, a support lug 24, a hinged lug 25, a pin shaft 26 and a second bearing seat 27, and the two fixed support columns 22 are arranged side by side on the base 1. Crossbeam 23 is fixedly connected between two fixed supporting columns 22, and two supporting lugs 24 are arranged side by side on crossbeam 23, and hinged lug 25 is hinged between two supporting lugs 24 by pin 26, and the second The lower end of the bearing seat 27 is fixedly connected with the hinged lug 24 , the second bearing seat 27 is connected with the other end of the rotating shaft 9 , and the rotating drive motor 3 is fixed on the second bearing seat 27 .

The second bearing seat 27 can realize the rotation and axial fixation of the rotating shaft 9, and the rotating drive motor 3 is fixed on the second bearing seat 27, which can realize the rotation of the rotating shaft 9 driven by the rotating driving motor 3, and the supporting ear plate 24 and the hinged ear plate 25 pass through Pin shaft 26 is hinged, can make rotating shaft 9 have the function of swinging up and down.

The funnel 4 is provided with a side discharge chute 28 communicating with the outside thereof, and the side discharge chute 28 is located below the edge of one end of the screen cylinder 10, and the edge of one end of the screen cylinder 10 is adjacent to the hinged support frame 8; The required fly ash can be exported through the end of the screen cylinder 10 and flow down to the side discharge chute 28. The side discharge chute 28 has a certain inclination angle, and the fly ash can slide out of the funnel 4 outside.

Working principle and process of the utility model:

When the utility model is screening the fly ash, a conveying device can be set at one end of the feeding trough 6 for the continuous addition of the fly ash. After being guided by the feeding chute 6, it enters the screen cylinder 10, and the screen cylinder 10 is adjacent to one end of the feeding trough 6. To be higher than the other end; the rotating drive motor 3 drives the rotating shaft 9 to rotate on the first bearing seat 17 and the second bearing seat 27, and the rotating shaft 9 drives the screen cylinder 10 to rotate. At the same time, the swing driving motor 20 drives the eccentric wheel 21 to rotate, The eccentric wheel 21 acts on the follower support plate 18, so that the follower support plate 18 moves up and down between the two clamping track plates 19, and then the first bearing seat 17 moves up and down, so that the axis of the rotating shaft 9 relative to the bearing pin 26 The center realizes the up and down swing effect; the fly ash is subjected to the gravity action in the screen cylinder 10, the tangential action relative to the inner peripheral surface of the screen cylinder 10 and the up and down swing around the axis of the pin shaft 26, so that the fly ash and the screen cylinder 10 The contact and collision forces are strengthened, which in turn makes the screening effect of fly ash better. When the length of the screen cylinder 10 is fixed, the amount of fly ash screened inside the screen cylinder 10 can be increased, which improves the screening efficiency; The required fly ash flows through the sieve cylinder 10 into the funnel 4, and the funnel 4 gathers the part of the fly ash so that it falls on the belt conveyor 5, and is transported to the next process through the belt conveyor 5; The fly ash required by the screening particle size slides down to the side discharge chute 28 along the inner wall of the screen cylinder 10, and is dredged to the outside under the action of the side discharge chute 28.

The utility model can adjust the inclination angle of the screen cylinder 10, which is beneficial to adjust the height of the feed tank 6, and better adapt to the height of the feeding device connected with the feed tank 6; at the same time, the inclination angle of the screen cylinder 10 has a certain effect on the efficiency of the screening process. It has a certain influence on the force of the fly ash. When the inclination angle of the sieve cylinder 10 is large, the time it takes for the fly ash to travel from the height of the sieve cylinder 10 to the low end is compared with that of the sieve cylinder 10 with a lower inclination angle. will be shortened; in actual application, the inclination angle of the screen drum 10 can be flexibly set according to supply and demand requirements, and the inclination angle can be selected from 10° to 45°, preferably 12° to 30°. The action force of the cylinder 10 and the effect of the fly ash and the screen cylinder 10 are strengthened, so the inclination angle of the screen cylinder 10 can be adjusted appropriately, and 25° or 30° can be selected in practical applications to obtain higher screening efficiency ; When performing specific adjustments, the height of the hydraulic jack 16 can be adjusted to adjust the height of the sliding support frame 15, and then realize the height adjustment of the first bearing seat 17, thereby realizing the adjustment of the inclination angle of the screen cylinder 10.

Finally, it should be noted that: the above description is only a preferred example of the utility model, and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, it is still the same for those skilled in the art. The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (7)

1. a kind of flyash drum screen, including pedestal (1), rolling sieve nest (2), rotary drive motor (3), funnel (4), belt are defeated Send machine (5) and chute feeder (6), it is characterised in that：Further include wobble drive frame (7) and hinged support frame (8), the wobble drive Frame (7) and hinged support frame (8) are separately positioned on pedestal (1) both ends, and the rolling sieve nest (2) includes shaft (9) and is fixed on Screen drum (10) on shaft (9) excircle, described shaft (9) one end connect with wobble drive frame (7), the other end and hinged support Frame (8) connects, and the rotary drive motor (3) connect with the other end of shaft (9), and the funnel (4) is fixed on pedestal (1) And below screen drum (10), the belt conveyor (5) is fixed on pedestal (1) and below funnel (4), the feeding Slot (6) is removably disposed on pedestal (1) and above wobble drive frame (7).

2. a kind of flyash drum screen as described in claim 1, it is characterised in that：The wobble drive frame (7) includes lifting Support column (11), elevation and subsidence regulating device (12) and oscillatory gearing mechanism (13), two lifting support columns (11) are set up in parallel On pedestal (1), track groove (14) is provided on lifting support column (11), the elevation and subsidence regulating device (12) is arranged at two Between the track groove (14) for lifting support column (11), the oscillatory gearing mechanism (13) is arranged on elevation and subsidence regulating device (12).

3. a kind of flyash drum screen as claimed in claim 2, it is characterised in that：The elevation and subsidence regulating device (12) includes sliding Dynamic supporting rack (15) and hydraulic jack (16), the both ends of the slide holder (15) are adapted with track groove (14), described The top of hydraulic jack (16) is connect with slide holder (15), bottom end is fixedly connected with pedestal (1).

4. a kind of flyash drum screen as claimed in claim 3, it is characterised in that：The oscillatory gearing mechanism (13) includes the One bearing block (17), servo-actuated support plate (18), gripper rail plate (19), wobble drive motor (20) and eccentric wheel (21), it is described First bearing seat (17) is connect with shaft (9) one end, and the servo-actuated support plate (18) is fixed under first bearing seat (17) Side, two pieces of gripper rail plates (19) are disposed in parallel on slide holder (15), and the wobble drive motor (20) is fixed On slide holder (15), the eccentric wheel (21) is located between two pieces of gripper rail plates (19), the wobble drive motor (20) output shaft end is connect with eccentric wheel (21) afterwards across a gripper rail plate (19), and the servo-actuated support plate (18) is clamped in Between two pieces of gripper rail plates (19) and its lower face coordinates with eccentric wheel (21).

5. a kind of flyash drum screen as claimed in claim 4, it is characterised in that：The lower face of the servo-actuated support plate (18) It is arc-shaped.

6. a kind of flyash drum screen as described in claim 1, it is characterised in that：The hinged support frame (8) includes fixing Support column (22), crossbeam (23), support otic placode (24), hinged otic placode (25), axis pin (26) and second bearing seat (27), two institutes It states fixed support column (22) to be disposed in parallel on pedestal (1), the crossbeam (23) is fixedly connected on two fixed support columns (22) Between, two pieces of support otic placodes (24) are disposed in parallel on crossbeam (23), and hinged otic placode (25) is hinged on two pieces by axis pin (26) Between supporting otic placode (24), second bearing seat (27) lower end is fixedly connected with hinged otic placode (25), second bearing seat (27) It is connect with shaft (9) other end, rotary drive motor (3) is fixed in second bearing seat (27).

7. a kind of flyash drum screen as described in claim 1, it is characterised in that：The funnel (4) be equipped with outside it The lateral discharging chute (28) communicated, the lateral discharging chute (28) are located at the lower section at screen drum (10) one end edge, the screen drum (10) one end edge is adjacent to hinged support frame (8).