CN219985305U - Drum screen capable of automatically cleaning screen surface - Google Patents

Abstract

The utility model provides a roller screen capable of automatically cleaning a screen surface, which comprises a frame, a screen cylinder assembly and a driving assembly, wherein first bearing seats are respectively arranged at two ends of the frame, the screen cylinder assembly is obliquely arranged on the frame, and two ends of a screen shaft of the screen cylinder assembly are arranged on the first bearing seats; a beating shaft is arranged at the outer side of the screen cylinder assembly on the frame, the beating shaft is arranged along the length direction of the screen cylinder assembly, and a plurality of beating adhesive tapes are arranged on the beating shaft at intervals; the driving assembly is arranged at the lower end part of the frame and respectively drives the sieve shaft and the beating shaft to rotate. This drum sieve stretches out an output spindle nose more on the original speed reducer of drive assembly, is provided with the output wheel on this spindle nose, and the output wheel passes through belt drive and connects the beating axle of arranging in the drum sieve next door, and when drive assembly drive drum sieve was operated, it is rotatory to drive the beating axle simultaneously, and the beating axle drives the rotatory sieve face of beating adhesive tape, and the sieve face vibration shakes away the material of stifled in the sieve mesh, and the sieve face obtains the clearance.

Description

Drum screen capable of automatically cleaning screen surface

Technical Field

The utility model relates to the related technical field of rotary screens, in particular to a rotary screen capable of automatically cleaning a screen surface.

Background

The drum screen has stable running, low noise and less damage to the screened material, and may be used widely in metallurgical, building material, mine, food, chemical industry and other industry. However, some defects are also shown in the use, such as that after the screen surface is operated for a period of time, a plurality of meshes are blocked by materials, the screening efficiency is greatly reduced, the screening amount can not meet the expected requirement, the manual cleaning of the screen surface is time-consuming and labor-consuming, and the cleaning is not complete. The improved design ensures that the screen surface of the drum screen is automatically cleaned during operation, thereby ensuring the continuous operation of equipment, improving the screening efficiency and reducing the maintenance cost of the equipment.

Disclosure of Invention

The utility model provides a rotary screen capable of automatically cleaning a screen surface, wherein a beating shaft is arranged on the outer side of the rotary screen along the length direction of the rotary screen, a plurality of beating rubber strips are arranged on the beating shaft in the axial direction of the rotary screen, the beating shaft rotates to drive the beating rubber strips to rotate to beat the screen surface of the rotary screen, and the screen surface vibrates to shake off materials blocked in screen holes, so that the screen surface is cleaned.

The utility model adopts the technical scheme that:

the rotary screen capable of automatically cleaning the screen surface comprises a frame, a screen cylinder assembly and a driving assembly, wherein first bearing seats are respectively arranged at two ends of the frame, the screen cylinder assembly is obliquely arranged on the frame, and two ends of a screen shaft of the screen cylinder assembly are arranged on the first bearing seats; a beating shaft is arranged at the outer side of the screen cylinder assembly on the frame, the beating shaft is arranged along the length direction of the screen cylinder assembly, and a plurality of beating adhesive tapes are arranged on the beating shaft at intervals; the driving assembly is arranged at the lower end part of the frame and respectively drives the sieve shaft and the beating shaft to rotate.

Preferably, the two end sides of the frame are respectively provided with a second bearing seat through a bracket, the two ends of the flapping shaft are arranged in the second bearing seat, one end of the flapping shaft extends out of the second bearing seat to be provided with a flapping belt wheel, and the driving assembly is connected with the flapping belt wheel through a belt.

Preferably, the beating shaft comprises a plurality of hollow beating shafts and connecting shafts, the hollow beating shafts are sequentially connected through the connecting shafts, the connecting shafts penetrate through a third bearing seat, the third bearing seat is arranged on the side edge of the frame through a support, the hollow beating shafts at the left end and the right end are respectively arranged in a second bearing seat through the connecting shafts, and the left connecting shaft of the left hollow beating shaft extends out of the second bearing seat to be provided with beating belt wheels.

Preferably, the driving assembly comprises a motor, a speed reducer and a shaft coupling, wherein an input shaft, a first output shaft and a second output shaft are respectively arranged on the speed reducer, a driving wheel is arranged on the input shaft, an output wheel is arranged on the second output shaft, the motor is connected with the driving wheel of the speed reducer through a belt, the first output shaft of the speed reducer is connected with a screen shaft of the screen drum assembly through the shaft coupling, and the output wheel of the speed reducer drives the screen shaft to rotate through the belt.

Preferably, the inside of the frame is provided with a guide shell, the bottom of the guide shell is provided with a plurality of lower discharge funnels along the length direction of the screen cylinder assembly, and the lower end part of the guide shell is provided with a rear discharge funnels.

Compared with the prior art, the utility model has the beneficial effects that: this automatic clearance screen surface's drum sieve stretches out an output spindle nose more on the original speed reducer of drive assembly, is provided with the output wheel on this spindle nose, and the output wheel passes through belt drive connection and arranges the flap axle in drum sieve next door, and flap the epaxial interval of being provided with a plurality of adhesive tapes of beating, drives the flap axle rotation during drum sieve operation, and the flap axle drives the rotatory screen surface of beating adhesive tape of beating, and the screen surface vibration shakes away the material of stifled in the sieve mesh, and the screen surface obtains the clearance.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the a-direction structure of fig. 1.

Fig. 3 is a schematic view of the structure of the removal screen cylinder assembly of fig. 1.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 is an enlarged view of a portion C in fig. 3.

In the accompanying drawings: 1. A frame; 2. A screen drum assembly; 3. A drive assembly; 4. A first bearing seat; 5. Beating the shaft; 6. Patting the adhesive tape; 7. A second bearing seat; 8. Flapping a belt wheel; 9. A third bearing seat; 10. A deflector housing; 11. A lower discharge hopper; 12. a rear discharge hopper; 31. A motor; 32. A speed reducer; 33. A driving wheel; 34. An output wheel; 51. A hollow beating shaft; 52. And a connecting shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model discloses a roller screen capable of automatically cleaning a screen surface, which comprises a frame 1, a screen cylinder assembly 2 and a driving assembly 3, wherein first bearing seats 4 are respectively arranged at two ends of the frame 1, the screen cylinder assembly 2 is obliquely arranged on the frame 1, two ends of a screen shaft of the screen cylinder assembly are arranged on the first bearing seats 4, the screen cylinder assembly comprises a screen shaft, a screen cylinder, spokes, a screen mesh and the like, and the spokes and the screen mesh are arranged between the screen shaft and the screen cylinder; a beating shaft 5 is arranged on the outer side of the screen cylinder assembly 2 on the frame 1, the beating shaft 5 is arranged along the length direction of the screen cylinder assembly 1, and a plurality of beating adhesive tapes 6 are arranged on the beating shaft 5 at intervals; the driving assembly 3 is arranged at the lower end part of the frame 1 and respectively drives the sieve shaft and the beating shaft to rotate. When the driving assembly drives the drum screen to operate, the beating shaft is driven to rotate at the same time, the beating shaft drives the beating adhesive tape to rotate to beat the screen surface, the screen surface vibrates to shake off materials blocked in the screen holes, and the screen surface is cleaned.

Specifically, the flapping shaft is arranged in such a way, two end sides of the frame 1 are respectively provided with a second bearing seat 7 through a bracket, two ends of the flapping shaft 5 are arranged on the second bearing seat 7, one end of the flapping shaft 5 extends out of the second bearing seat to be provided with a flapping belt wheel 8, and the driving assembly is connected with the flapping belt wheel through a belt. Here, the motor is not designed independently, but the driving mechanism drives the beating shaft to rotate, so that the energy is relatively saved, and the arrangement is relatively simple.

Considering that the flapping shaft drives the flapping adhesive tape to work, centrifugal force is easy to generate, the rigidity of the flapping shaft is further insufficient, the phenomenon of breaking the flapping shaft is easy to cause, and in order to solve the problem, a supporting point needs to be added in the middle of the flapping shaft. In this embodiment, the beating shaft 5 includes a plurality of hollow beating shaft 51, connecting axle 52, connect gradually through connecting axle 52 between the hollow beating shaft 51, this connecting axle 52 is solid connecting axle, and the hollow beating shaft 51 inboard is penetrated to solid connecting axle and interference fit with it is solid connecting axle 52 both ends, and the screw penetrates to solid connecting axle from the hollow beating shaft outside and realizes locking, connecting axle 52 wears to establish on third bearing frame 9, just third bearing frame 9 passes through the support setting at the side of frame, is located between two second bearing frames 7, and both ends about hollow beating shaft 51 sets up on the second bearing frame through connecting axle 52 respectively, and the left side connecting axle of left end hollow beating shaft stretches out the second bearing frame and is provided with and beats band pulley 8. As shown in fig. 1 and 3, the flapping shaft is formed by sequentially connecting 3 hollow flapping shafts through 2 connecting shafts, two outer end parts of the flapping shafts are respectively connected into the second bearing seat through the connecting shafts, and the third bearing seat is provided with 2 hollow flapping shafts, and has the same structure as the second bearing seat.

In order to avoid the axial sliding of the connecting shaft and further enable the whole flapping shaft to slide, the second bearing seat 7 and the third bearing seat 9 are bearing seats with axial positioning, and the connecting shaft 52 is a convex stepped shaft and is matched with the second bearing seat and the third bearing seat to realize axial positioning. There are various bearing seats with axial positioning, in this embodiment, a positioning step is provided on one side of the second bearing seat and the third bearing seat, and a stepped shaft sleeve positioning method is adopted between the connecting shaft and the bearing seat. The axial positioning method of the shaft and the bearing housing is common knowledge in the industry and is not described in detail here.

The drive assembly 3 thus drives the screen shaft and the beater shaft in rotation. The screen shaft of screen cylinder subassembly is close to the one end of drive assembly and stretches out first bearing frame setting, drive assembly 3 includes motor 31, speed reducer 32, shaft coupling (not shown in the figure), and the speed reducer is as prior art product, and its producer can design a plurality of output shafts according to the requirement, specifically, be provided with input shaft, first output shaft and second output shaft on the speed reducer 32 respectively, just be provided with drive wheel 33 on the input shaft, be provided with output wheel 34 on the second output shaft, motor 31 is connected with drive wheel 33 of speed reducer through the belt, drives the speed reducer and rotates, and then makes first output shaft and second output shaft rotate, the first output shaft of speed reducer 32 is connected with the screen shaft of screen cylinder subassembly through the shaft coupling, the output wheel 34 of speed reducer is through belt drive beating the axle rotation, and specifically, the speed reducer output wheel is connected with the beating band pulley of beating axle head through the belt, drives and beats the axle and rotates.

In this embodiment, there is a guiding shell 10 in the frame, a plurality of lower discharging funnels 11 are disposed at the bottom of the guiding shell 10 along the length direction of the screen cylinder assembly, and a rear discharging funnel 12 is disposed at the lower end of the guiding shell. Here, the lower discharge funnel is provided with 3. The design of a plurality of lower discharging funnels can further subdivide qualified materials. The screen cylinder assembly is obliquely arranged on the frame, the driving assembly drives the screen cylinder assembly to rotate around the axis of the screen cylinder assembly, and after materials enter the screen cylinder of the screen cylinder assembly, the materials on the screen surface are overturned and rolled due to the inclination and rotation of the screen cylinder, so that qualified materials are discharged through the lower discharge hopper on the bottom side surface of the screen cylinder, and unqualified materials are discharged through the rear discharge hopper on the rear end part of the screen cylinder.

Claims (5)

1. The rotary screen capable of automatically cleaning the screen surface comprises a frame, a screen cylinder assembly and a driving assembly, wherein first bearing seats are respectively arranged at two ends of the frame, the screen cylinder assembly is obliquely arranged on the frame, and two ends of a screen shaft of the screen cylinder assembly are arranged on the first bearing seats; the method is characterized in that: a beating shaft is arranged at the outer side of the screen cylinder assembly on the frame, the beating shaft is arranged along the length direction of the screen cylinder assembly, and a plurality of beating adhesive tapes are arranged on the beating shaft at intervals; the driving assembly is arranged at the lower end part of the frame and respectively drives the sieve shaft and the beating shaft to rotate.

2. The trommel for automatically cleaning a screening surface according to claim 1, wherein: the two ends of the flapping shaft are arranged in the second bearing seat, one end of the flapping shaft extends out of the second bearing seat to be provided with a flapping belt wheel, and the driving assembly is connected with the flapping belt wheel through a belt.

3. The trommel for automatically cleaning a screening surface according to claim 2, wherein: the hollow beating shafts comprise a plurality of hollow beating shafts and connecting shafts, the hollow beating shafts are sequentially connected through the connecting shafts, the connecting shafts penetrate through a third bearing seat, the third bearing seat is arranged on the side edge of the frame through a support, the hollow beating shafts at the left end and the right end are respectively arranged in a second bearing seat through the connecting shafts, and the left connecting shaft of the left hollow beating shaft extends out of the second bearing seat to be provided with beating belt wheels.

4. The trommel for automatically cleaning a screening surface according to claim 1, wherein: the driving assembly comprises a motor, a speed reducer and a shaft coupling, wherein an input shaft, a first output shaft and a second output shaft are respectively arranged on the speed reducer, a driving wheel is arranged on the input shaft, an output wheel is arranged on the second output shaft, the motor is connected with the driving wheel of the speed reducer through a belt, the first output shaft of the speed reducer is connected with a screen shaft of the screen drum assembly through the shaft coupling, and the output wheel of the speed reducer drives the beating shaft to rotate through the belt.

5. The trommel for automatically cleaning a screening surface according to claim 1, wherein: the inside water conservancy diversion casing that has of frame, the bottom of water conservancy diversion casing is provided with a plurality of lower ejection of compact funnels along screen cylinder subassembly length direction, the low end of water conservancy diversion casing is provided with back ejection of compact funnel.