Return belt cleaning device

Abstract

The utility model relates to the technical field of belt conveyor accessory equipment, in particular to a return belt cleaning device. Comprising a rolling brush, bearing plates are rotationally connected to the two ends of the rolling brush respectively, a motor in transmission connection with the rolling brush is arranged on one bearing plate, first gears are arranged at the two ends of a center shaft on the rolling brush, second gears are further rotationally connected to the bearing plates, eccentric wheels are arranged on the outer sides of the second gears, and arc-shaped holes are further formed in the bearing plates; rotating shafts on the levers are rotationally connected with the bearing plates, the two ends of the cleaning rod extend outwards from the arc-shaped holes in the two bearing plates respectively and are connected with the two arc-shaped holes in a sliding mode, and the two ends of the cleaning rod are connected with one ends of the two levers respectively. The eccentric wheel can push the lever to rotate so that the cleaning rod can move in the direction close to the axis of the rolling brush along the arc-shaped hole to clean bristles on the rolling brush. According to the utility model, the situation that the sweeper is difficult to continuously play a role due to the accumulation of excessive materials in the brush can be avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of belt conveyor auxiliary equipment, and in particular to a return belt cleaning device. Background Technology

[0002] The sweeper is one of the main components of a belt conveyor, used to clean the lower surface of the return belt of the conveyor. Patent application number 200820231995.2 discloses an electric roller brush sweeper. This device consists of a motor, a reducer, a drive shaft, a ring sleeve, a brush, an adjusting seat, and bearings. The motor is connected to the reducer, which is connected to the drive shaft. Both ends of the drive shaft are mounted on the adjusting seat via bearings. A ring sleeve is provided outside the drive shaft, and the brush is mounted on the ring sleeve. This device changes the traditional sweeper's method of primarily "scraping" to a rotating roller brush sweeping method, completely solving the disadvantages of primarily "scraping." During cleaning, the cleaning points make continuous contact, resulting in powerful cleaning and significant cleaning effect. However, when the belt conveyor transports powdery, wet materials, material inevitably adheres to the brush bristles. When too much material accumulates inside the brush, the sweeper will become ineffective. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a return belt cleaning device in response to the above-mentioned technical deficiencies.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a return belt cleaning device, including a roller brush, with a bearing plate rotatably connected to both ends of the roller brush. A motor connected to the roller brush is provided on one of the bearing plates. A first gear is provided at both ends of the central shaft on the roller brush. A second gear meshing with the first gear is also rotatably connected to the bearing plate. An eccentric wheel is provided on the outer side of the second gear. An arc-shaped hole penetrating its inner and outer sides is also provided on the bearing plate. A rotating shaft on a lever is rotatably connected to the bearing plate. Both ends of a cleaning rod extend outward from the arc-shaped holes on the two bearing plates and are slidably connected to the two arc-shaped holes. Both ends of the cleaning rod are connected to one end of the two levers. The eccentric wheel can drive the lever to rotate, so that the cleaning rod can move along the arc-shaped hole towards the axis of the roller brush, thereby cleaning the bristles on the roller brush.

[0005] To further optimize this technical solution, the arc-shaped hole is located directly below the roller brush.

[0006] To further optimize this technical solution, the axes of the second gear and the first gear are on the same horizontal plane.

[0007] To further optimize this technical solution, the number of teeth on the first gear is less than the number of teeth on the second gear.

[0008] To further optimize this technical solution, a U-shaped plate is provided on one side of one of the support plates, and the motor is installed on the outside of the U-shaped plate.

[0009] Compared with the prior art, the present invention has the following advantages: both ends of the roller brush are provided with a first gear, and an eccentric wheel is provided on the outer side of the second gear that meshes with the first gear. The eccentric wheel pushes the lever and, in conjunction with the rotation of the roller brush, enables the cleaning rod to move back and forth along the long hole, thereby cleaning the bristles and avoiding the situation where the cleaner cannot continue to function due to excessive material accumulation in the brush. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of a return belt cleaning device.

[0011] Figure 2 for Figure 1 A magnified view of point I in the middle.

[0012] Figure 3 This is a front view of a return belt cleaning device.

[0013] In the diagram: 1. Support plate; 11. Arc-shaped hole; 2. Roller brush; 3. Motor; 4. First gear; 5. Second gear; 6. Eccentric wheel; 7. Lever; 71. Shaft; 8. Cleaning rod. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0015] Detailed implementation method: combined with Figure 1-3As shown, a return belt cleaning device includes a roller brush 2. Two bearing plates 1 are rotatably connected to both ends of the roller brush 2, and the bearing plates 1 are perpendicular to the roller brush 2. A motor 3, which is drively connected to the roller brush 2, is mounted on one of the bearing plates 1. First gears 4 are mounted at both ends of the central shaft of the roller brush 2 (the central shaft includes a ring and drive shafts at both ends of the ring). A second gear 5, meshing with the first gear 4, is rotatably connected to the bearing plate 1. An eccentric wheel 6 is mounted on the outer side of the second gear 5. An arc-shaped hole 11 is also provided on the bearing plate 1, penetrating its inner and outer sides. The projection of the arc-shaped hole 11 onto the cross-section of the roller brush 2 has one end located within the cross-section of the roller brush 2 and the other end located outside the cross-section. Outside the cross-section of the roller brush 2, the rotating shaft 71 on the lever 7 is rotatably connected to the support plate 1. The arc-shaped hole 11 extends in an arc shape, and the center of the arc is on the axis of the rotating shaft 71. The axes of the rotating shaft 71, the central shaft, and the second gear 5 are parallel. The two ends of the cleaning rod 8 extend outward from the arc-shaped holes 11 on the two support plates 1 and are slidably connected to the two arc-shaped holes 11. The cleaning rod 8 is made of metal and has a circular cross-section. The two ends of the cleaning rod 8 are connected to one end of the two levers 7. When the roller brush 2 rotates, the eccentric wheel 6 can push the lever 7 to rotate, so that the cleaning rod 8 can move along the arc-shaped hole 11 towards the axis of the roller brush 2, thereby cleaning the bristles on the roller brush 2.

[0016] Furthermore, the arc-shaped hole 11 is located directly below the roller brush 2.

[0017] Furthermore, the axes of the second gear 5 and the first gear 4 are on the same horizontal plane. (Combined) Figure 2 As shown, when the eccentric wheel 6 presses down the left end of the lever 7, the cleaning rod 8 will rotate upward around the pivot 71.

[0018] Furthermore, the number of teeth of the first gear 4 is less than the number of teeth of the second gear 5, and the number of teeth of the second gear 5 is several times that of the first gear 4, so that when the second gear 5 rotates once, the roller brush 2 has rotated several times.

[0019] Furthermore, a U-shaped plate is provided on one side of one of the support plates 1, the motor 3 is installed on the outside of the U-shaped plate, and the first gear 4, the second gear 5 and the lever 7 on the support plate 1 are located on the inside of the U-shaped plate.

[0020] In use, motor 3 drives roller brush 2 to rotate, and the bristles on roller brush 2 clean the lower surface of the return belt. Figure 2In the shown state, the cleaning rod 8 is about three centimeters away from the outer circumference of the roller brush 2 on the cross-section of the roller brush 2. When the bristles pass through the cleaning rod 8, most of the material adhering to them is scraped off or thrown off the bristles during the rebound after the bristles bend. The rotation of the second gear 5 drives the eccentric wheel 6 to rotate, and the position of the lower end of the eccentric wheel 6 rises. Under the action of the bristle thrust, the cleaning rod 8 moves downward (during this process, the left end of the lever 7 moves up and contacts the lower end of the eccentric wheel 6). When the position of the lower end of the eccentric wheel 6 begins to decrease, the lever 7 will drive the cleaning rod 8 to move upward. This process is repeated, so that the contact point between the bristles and the cleaning rod 8 varies within a range of about three centimeters from the tip (the range of material adhering to the bristles is generally also within a range of about three centimeters from the tip), thus achieving a better cleaning effect.

Claims

1. A return belt cleaning device, comprising a roller brush (2), characterized in that: The roller brush (2) is rotatably connected to two bearing plates (1) at both ends. One of the bearing plates (1) is equipped with a motor (3) that is connected to the roller brush (2) for transmission. The roller brush (2) has a first gear (4) at both ends of its central shaft. The bearing plate (1) is also rotatably connected to a second gear (5) that meshes with the first gear (4). An eccentric wheel (6) is provided on the outer side of the second gear (5). The bearing plate (1) is also provided with an arc-shaped hole (11) that passes through its inner and outer sides. Lever ( The rotating shaft (71) on 7) is rotatably connected to the support plate (1). The two ends of the cleaning rod (8) extend outward from the arc holes (11) on the two support plates (1) and are slidably connected to the two arc holes (11). The two ends of the cleaning rod (8) are connected to one end of the two levers (7). The eccentric wheel (6) can push the lever (7) to rotate so that the cleaning rod (8) can move along the arc hole (11) towards the axis of the roller brush (2) to clean the bristles on the roller brush (2).

2. The return belt cleaning device according to claim 1, characterized in that: The arc-shaped hole (11) is located directly below the roller brush (2).

3. The return belt cleaning device according to claim 2, characterized in that: The axes of the second gear (5) and the first gear (4) are on the same horizontal plane.

4. The return belt cleaning device according to claim 1, characterized in that: The number of teeth of the first gear (4) is less than the number of teeth of the second gear (5).

5. A return belt cleaning device according to any one of claims 1-4, characterized in that: One of the support plates (1) has a U-shaped plate on one side, and the motor (3) is installed on the outside of the U-shaped plate.

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