A drum sifter power transmission device

Abstract

The utility model discloses a kind of power transmission devices of drum screening machine, it is related to the technical field of drum screening machine.The utility model includes bottom plate, the bottom plate top is provided with sieve cylinder, the bottom plate top is provided with driving mechanism, the driving mechanism includes the driving motor of fixed connection in the bottom plate top, the reduction assembly of setting in the driving motor output end, the gear ring of fixed connection in the sieve cylinder surface.The utility model is through the linkage design of driving mechanism and cleaning mechanism, realizes the efficient use of power, driving motor passes through reduction assembly and transmits power to driving gear, drives sieve cylinder rotation and carries out material screening;Meanwhile, transmission gear transmits part of power to cleaning roller through transmission rod, so that it is synchronous with sieve cylinder rotation, the structure avoids to clean the separately configured driving motor for roller, simplifies transmission system, reduces equipment cost and energy consumption, while ensuring the coordination of cleaning effect and sieve cylinder operation.

Description

Technical Field

[0001] This utility model belongs to the technical field of drum screening machines, and in particular relates to a power transmission device for drum screening machines. Background Technology

[0002] A drum screen is a device that uses a rotating screen cylinder to classify and screen materials. It is widely used in mining, construction, chemical and other industries. Its working principle is to use the rotation of the screen cylinder to make the material roll and turn inside the screen cylinder. Fine particles are discharged through the screen holes, while coarse particles move along the axial direction of the screen cylinder to the discharge end, thereby realizing the classification and screening of materials. In the existing technology, in order to prevent the screen holes from clogging, cleaning rollers are usually set on the outside of the screen cylinder. The cleaning rollers remove the blockage through friction or brushing action with the surface of the screen cylinder.

[0003] Existing cleaning rollers still have some problems during use. For example, most existing cleaning rollers require an independent drive motor, which not only increases equipment cost and energy consumption but also leads to complex transmission structures and difficult maintenance. In addition, the rotational power of the screen cylinder itself is not fully utilized, resulting in energy waste. To address these issues, we provide a power transmission device for a drum screening machine. Utility Model Content

[0004] The purpose of this utility model is to provide a power transmission device for a drum screening machine. By using the drive mechanism and the cleaning mechanism in combination, it solves the problem that existing cleaning rollers require a separate motor, which increases equipment cost and energy consumption.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution.

[0006] This utility model relates to a power transmission device for a drum screening machine, comprising a base plate, a screen cylinder disposed on the top of the base plate, and a drive mechanism disposed on the top of the base plate. The drive mechanism includes a drive motor fixedly connected to the top of the base plate, a reduction gear assembly disposed at the output end of the drive motor, a gear ring fixedly connected to the surface of the screen cylinder, a drive gear meshing on one side of the surface of the gear ring, and a transmission gear meshing on the other side of the surface of the gear ring. A cleaning mechanism is disposed on one side of the top of the base plate, the cleaning mechanism including a cleaning roller contacting one side of the surface of the screen cylinder, and a gear transmission assembly fixedly connected to one side of the cleaning roller.

[0007] The present invention is further configured such that support rollers are movably connected to the four corners of the top of the base plate via bearings, and anti-detachment rings are fixedly connected to both sides of the surface of the screen cylinder, with two anti-detachment rings arranged as a group on both sides of the support rollers.

[0008] The present invention is further configured such that the deceleration assembly includes a deceleration box fixedly connected to the top of the base plate, a first gear fixedly connected to the output end of the drive motor, and a second gear meshing with the first gear.

[0009] The present invention is further configured such that both the first gear and the second gear are located inside the gearbox, and the diameter of the first gear is smaller than the diameter of the second gear.

[0010] The present invention is further configured such that a support plate is fixedly connected to one side of the top of the base plate, and the cleaning roller is movably connected to the support plate through a bearing.

[0011] The present invention is further configured such that the gear transmission assembly includes a third gear fixedly connected to one end of the cleaning roller, and a fourth gear meshing with the third gear.

[0012] The present invention is further configured such that a transmission rod is fixedly connected to one side of the transmission gear, an auxiliary plate is fixedly connected to the top of the base plate, and the auxiliary plate and the transmission rod are movably connected through bearings.

[0013] The present invention has the following beneficial effects.

[0014] 1. This utility model achieves efficient power utilization through the linkage design of the drive mechanism and the cleaning mechanism. The drive motor transmits power to the drive gear through the reduction component, which drives the screen cylinder to rotate for material screening. At the same time, the transmission gear transmits part of the power to the cleaning roller through the transmission rod, so that it rotates synchronously with the screen cylinder. This structure avoids configuring a separate drive motor for the cleaning roller, simplifies the transmission system, reduces equipment cost and energy consumption, and ensures the coordination between the cleaning effect and the operation of the screen cylinder.

[0015] 2. This utility model achieves the driving of the cleaning roller through the optimized design of the gear transmission component. The transmission gear drives the fourth gear to mesh with the third gear through the transmission rod, so that the cleaning roller rotates at a speed matching the screen cylinder. The cleaning roller is in continuous contact with the surface of the screen cylinder, effectively removing blockages and keeping the screen holes unobstructed. This design not only improves the cleaning efficiency, but also reduces energy waste by driving the dual-function component with a single power source, and improves the reliability and ease of maintenance of the equipment.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a perspective view of a power transmission device for a drum screening machine.

[0019] Figure 2 This is a front view of the drive motor and gearbox in the power transmission device of a drum screening machine.

[0020] Figure 3 This is a front view of the gear ring and transmission gear in the power transmission device of a drum screening machine.

[0021] Figure 4 This is a structural diagram of the reduction gear assembly in the power transmission device of a drum screening machine.

[0022] Figure 5 This is a structural diagram of the gear transmission assembly in the power transmission device of a drum screening machine.

[0023] In the attached diagram: 1. Base plate; 2. Screen cylinder; 3. Drive mechanism; 301. Drive motor; 302. Reduction assembly; 3021. Reduction gearbox; 3022. First gear; 3023. Second gear; 303. Gear ring; 304. Drive gear; 305. Transmission gear; 4. Cleaning mechanism; 401. Cleaning roller; 402. Gear transmission assembly; 4021. Third gear; 4022. Fourth gear; 5. Support roller; 6. Anti-detachment ring; 7. Support plate; 8. Auxiliary plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0026] Please see Figures 1-5This utility model is a power transmission device for a drum screening machine, including a base plate 1, a screen cylinder 2 on the top of the base plate 1, and a drive mechanism 3 on the top of the base plate 1. The drive mechanism 3 includes a drive motor 301 fixedly connected to the top of the base plate 1. The drive motor 301 is a device that converts electrical energy into mechanical energy. Its working principle is based on electromagnetic induction and electromagnetic force, which is existing technology and will not be described in detail here. Moreover, those skilled in the art can clearly understand this working principle. A reduction assembly 302 is set at the output end of the drive motor 301. A gear ring 303 is fixedly connected to the surface of the screen cylinder 2. A drive gear 304 meshes with one side of the surface of the gear ring 303. A transmission gear 305 meshes with the other side of the surface of the gear ring 303. A cleaning mechanism 4 is set on one side of the top of the base plate 1. The cleaning mechanism 4 includes a cleaning roller 401 that contacts one side of the surface of the screen cylinder 2 and a gear transmission assembly 402 fixedly connected to one side of the cleaning roller 401.

[0027] Specifically, the drive mechanism 3 provides rotational power to the screen cylinder 2 and transmits some of the power to the cleaning mechanism 4. After the drive motor 301 starts, its output shaft drives the first gear 3022 to rotate. The first gear 3022 meshes with the larger diameter second gear 3023, reducing the speed and increasing the torque through gear reduction. The reduced power is transmitted to the drive gear 304 through the transmission rod. The drive gear 304 meshes with the gear ring 303 fixed on the surface of the screen cylinder 2, driving the screen cylinder 2 to rotate around its axis, thus achieving material screening. The other side of the gear ring 303 meshes with the transmission gear 305. Wheel 305 transmits part of the power to cleaning roller 401 through transmission rod to achieve synchronous drive. The cleaning mechanism 4 removes blockages from the surface of screen cylinder 2 to prevent screen hole blockage. Transmission gear 305 transmits power to fourth gear 4022 through transmission rod. Fourth gear 4022 meshes with third gear 4021 to drive cleaning roller 401 to rotate. Cleaning roller 401 contacts the surface of rotating screen cylinder 2 and removes material residues adhering to screen cylinder 2 through friction, keeping screen holes unobstructed. The rotation speed of cleaning roller 401 matches that of screen cylinder 2, eliminating the need for an additional motor drive and achieving efficient power utilization. Specific Implementation Example 2

[0029] Please see Figures 1-5Based on the first specific embodiment, support rollers 5 are movably connected to the four corners of the top of the base plate 1 via bearings. Anti-detachment rings 6 are fixedly connected to both sides of the surface of the screen cylinder 2. The anti-detachment rings 6 are arranged in pairs on both sides of the support rollers 5. The reduction assembly 302 includes a reduction gearbox 3021 fixedly connected to the top of the base plate 1, a first gear 3022 fixedly connected to the output end of the drive motor 301, and a second gear 3023 meshing with the first gear 3022. The first gear 3022 and the second gear 3023 are both located inside the reduction gearbox 3021. The drive gear 304 is fixedly connected to the second gear 3023 via a transmission rod. The first gear 3022 has a smaller diameter than the second gear 3023. A support plate 7 is fixedly connected to one side of the top of the base plate 1. The cleaning roller 401 is movably connected to the support plate 7 via a bearing. The gear transmission assembly 402 includes a third gear 4021 fixedly connected to one end of the cleaning roller 401 and a fourth gear 4022 meshing with the third gear 4021. A transmission rod is fixedly connected to one side of the transmission gear 305. An auxiliary plate 8 is fixedly connected to the top of the base plate 1. The auxiliary plate 8 is movably connected to the transmission rod via a bearing. The end of the transmission rod away from the transmission gear 305 is fixedly connected to the fourth gear 4022.

[0030] Specifically, the support roller 5 supports the screen cylinder 2 through the setting of the support roller 5 and the anti-detachment ring 6, so that the screen cylinder 2 can rotate smoothly. The anti-detachment ring 6 limits the rotation of the screen cylinder 2 and prevents it from deviating. The deceleration assembly 302 is used to reduce the power of the drive motor 301 and transmit it to the gear ring 303. The small diameter first gear 3022 drives the large gear to rotate to achieve the purpose of deceleration. The support plate 7 is used to support the cleaning roller 401 and so that the cleaning roller 401 can rotate smoothly. The gear transmission assembly 402 is used to transmit the power of the drive motor 301 to the cleaning roller 401. The auxiliary plate 8 is used to support the transmission gear 305 and the fourth gear 4022.

[0031] The operation process of this embodiment is as follows: After the drive motor 301 starts, its output shaft drives the first gear 3022 to rotate. The first gear 3022 meshes with the second gear 3023 with a larger diameter. The speed is reduced and the torque is increased by the gear reduction. The reduced power is transmitted to the drive gear 304 through the transmission rod. The drive gear 304 meshes with the gear ring 303 fixed on the surface of the screen cylinder 2, driving the screen cylinder 2 to rotate around its axis to achieve material screening. At the same time, the other side of the gear ring 303 meshes with the transmission gear 305. The transmission gear 305 transmits part of the power to the cleaning mechanism 4 through the transmission rod to achieve synchronous drive.

[0032] The transmission gear 305 transmits power to the fourth gear 4022 through the transmission rod. The fourth gear 4022 meshes with the third gear 4021, driving the cleaning roller 401 to rotate. The cleaning roller 401 contacts the surface of the rotating screen cylinder 2 and removes material residues adhering to the screen cylinder 2 through friction, preventing screen hole blockage. The rotation speed of the cleaning roller 401 matches that of the screen cylinder 2, eliminating the need for an additional motor drive, achieving efficient use of power, and reducing energy consumption and maintenance costs.

[0033] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A power transmission device for a drum screening machine, comprising a base plate (1), characterized in that: A sieve cylinder (2) is provided on the top of the bottom plate (1); The bottom plate (1) is provided with a drive mechanism (3) on the top. The drive mechanism (3) includes a drive motor (301) fixedly connected to the top of the bottom plate (1), a reduction assembly (302) provided at the output end of the drive motor (301), a gear ring (303) fixedly connected to the surface of the screen cylinder (2), a drive gear (304) meshing on one side of the surface of the gear ring (303), and a transmission gear (305) meshing on the other side of the surface of the gear ring (303). A cleaning mechanism (4) is provided on one side of the top of the base plate (1). The cleaning mechanism (4) includes a cleaning roller (401) that contacts one side of the surface of the screen cylinder (2) and a gear transmission assembly (402) that is fixedly connected to one side of the cleaning roller (401).

2. The power transmission device for a drum screening machine according to claim 1, characterized in that, The bottom plate (1) has four support rollers (5) connected to the top four corners via bearings. The screen cylinder (2) has anti-detachment rings (6) fixedly connected to both sides of its surface. The anti-detachment rings (6) are arranged in pairs on both sides of the support rollers (5).

3. The power transmission device for a drum screening machine according to claim 1, characterized in that, The deceleration assembly (302) includes a deceleration box (3021) fixedly connected to the top of the base plate (1), a first gear (3022) fixedly connected to the output end of the drive motor (301), and a second gear (3023) meshing with the first gear (3022).

4. The power transmission device for a drum screening machine according to claim 3, characterized in that, The first gear (3022) and the second gear (3023) are both located inside the gearbox (3021), and the diameter of the first gear (3022) is smaller than the diameter of the second gear (3023).

5. The power transmission device for a drum screening machine according to claim 1, characterized in that, A support plate (7) is fixedly connected to one side of the top of the base plate (1), and the cleaning roller (401) is movably connected to the support plate (7) through a bearing.

6. The power transmission device for a drum screening machine according to claim 1, characterized in that, The gear transmission assembly (402) includes a third gear (4021) fixedly connected to one end of the cleaning roller (401), and a fourth gear (4022) meshing with the third gear (4021).

7. The power transmission device for a drum screening machine according to claim 1, characterized in that, A transmission rod is fixedly connected to one side of the transmission gear (305), and an auxiliary plate (8) is fixedly connected to the top of the base plate (1). The auxiliary plate (8) and the transmission rod are movably connected through bearings.

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