Feeding device for grinding machine

Abstract

The utility model relates to the technical field of feeding equipment of grinding machines, in particular to a feeding device for a grinding machine. According to the technical scheme, the feeding device comprises a feeding cylinder and a front cover, the front cover is fixedly installed on the front face of the feeding cylinder through a plurality of fastening screws, a crushing assembly is rotationally installed on the inner wall of the rear side of the feeding cylinder and the rear side of the front cover jointly, and the inner wall of the feeding cylinder is rotationally sleeved with a screening assembly which is used for screening materials crushed by the crushing assembly; a driving assembly is fixedly installed on the front cover and used for driving the screening assembly to rotate on the inner wall of the feeding cylinder, a feeding port is fixedly inserted into the front face of the front cover, a discharging port is fixedly inserted into the bottom of the feeding cylinder, and a plurality of supporting legs are evenly and fixedly installed at the bottom of the feeding cylinder. According to the grinding machine, materials entering the grinding machine can be pretreated, the situation that the grinding machine is damaged due to the fact that the materials which do not meet the specification enter the grinding machine is avoided, and the materials which do not meet the requirement can be automatically and repeatedly crushed till the materials meet the size requirement.

Description

Technical Field

[0001] This utility model relates to the technical field of grinding machine feeding equipment, and in particular to a feeding device for a grinding machine. Background Technology

[0002] In existing chemical plants, grinding some chemical raw materials requires mechanized feeding equipment to avoid direct contact between operators and chemical raw materials.

[0003] In the prior art, patent publication number CN216835566U discloses a feeding device for a grinding machine, including a support frame, a feeding box, and a mounting plate. A conveyor belt is rotatably connected to the upper right inner side of the support frame, and a baffle is fixedly connected to the surface of the conveyor belt. The feeding box is fixedly connected to the lower right side of the support frame, and a conveying roller is rotatably connected to the inner right side of the feeding box. A material-pushing plate is rotatably connected to the upper inner side of the support frame, and a rotating disk is fixedly connected to the lower end of the material-pushing plate. In this invention, the conveyor belt, conveying roller, and material-pushing plate are used to transport materials, allowing them to fall onto the conveyor belt. The baffle prevents the materials from sliding downwards. After the materials are conveyed to the upper end, the rotation of the material-pushing plate sends them into the grinding machine for grinding, thus enabling automatic feeding and improving the grinding efficiency of the workpiece.

[0004] Although the above-mentioned feeding device for grinding mills can achieve the purpose of feeding materials into the grinding mill through feeding boxes and conveyor belts, it still has the following shortcomings in practical applications: when the material specifications do not meet the requirements, it is directly fed into the grinding mill, which can easily cause damage to the parts inside the grinding mill. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background art by proposing a feeding device for a grinding machine.

[0006] To achieve this objective, the present invention adopts the following technical solution: a feeding device for a grinding mill, comprising a feeding cylinder and a front cover, the front cover being fixedly installed on the front of the feeding cylinder by multiple fastening screws, a crushing component being rotatably installed on the rear inner wall of the feeding cylinder and the rear side of the front cover, a screening component being rotatably sleeved on the inner wall of the feeding cylinder for screening the material crushed by the crushing component, a driving component being fixedly installed on the front cover for driving the screening component to rotate on the inner wall of the feeding cylinder, a feed inlet being fixedly inserted into the front of the front cover, a discharge outlet being fixedly inserted into the bottom of the feeding cylinder, and multiple support legs being evenly fixedly installed at the bottom of the feeding cylinder.

[0007] Preferably, the screening assembly includes a screening cylinder rotatably sleeved on the inner wall of the feeding cylinder, two rotating rings fixedly installed on the periphery of the screening cylinder, and two annular rotating grooves formed on the inner wall of the feeding cylinder, with the annular rotating grooves cooperating with the rotating rings.

[0008] Preferably, the inner wall of the screening cylinder is provided with a plurality of screening holes evenly distributed.

[0009] Preferably, the inner wall of the screening cylinder is uniformly and fixedly equipped with multiple arc-shaped groove plates.

[0010] Preferably, the drive assembly includes a main gear rotatably mounted on the rear side of the front cover, a drive motor fixedly mounted on the front side of the front cover, and the output end of the drive motor passing through the front cover and fixedly connected to the front side of the main gear.

[0011] Preferably, an external gear ring is fixedly installed on the front side of the screening cylinder, and the external gear ring meshes with the main gear for transmission.

[0012] Preferably, the crushing assembly includes two crushing rollers rotatably mounted on the rear inner wall of the feeding cylinder and the rear side of the front cover. The two crushing rollers cooperate with each other. Two crushing motors are fixedly installed on the rear side of the feeding cylinder. The output ends of the crushing motors pass through the rear wall of the feeding cylinder and are respectively fixedly connected to the rear side of one of the crushing rollers.

[0013] The beneficial effects of this utility model are as follows: When using this device, the material is poured into the feeding cylinder through the feed inlet. Two crushing motors are started, each driving one of the two crushing rollers to rotate. The two crushing rollers work together to crush the material. The drive motor is started, causing the main gear to rotate on the rear side of the front cover. The rotation of the main gear drives the outer gear ring to rotate, which in turn drives the screening cylinder, which is fixedly connected to it, to rotate on the inner wall of the feeding cylinder. After the material is crushed by the crushing components, materials that meet the requirements pass through the screening holes and enter the discharge port. Materials that do not meet the requirements cannot pass through the screening holes and the process continues. The materials remain inside the screening cylinder. These features allow the device to pre-treat materials entering the grinder, preventing non-compliant materials from entering and damaging the grinder. Non-compliant materials remaining inside the screening cylinder automatically enter the arc-shaped groove of the arc-shaped trough plate as the cylinder rotates. As the screening cylinder rotates, the material automatically slides between the two crushing rollers for further crushing when it reaches the top. These features enable the device to automatically and repeatedly crush non-compliant materials until they reach the required size. Attached Figure Description

[0014] Figure 1 This is a front view of the overall structure of an embodiment of the feeding device for a grinding machine according to this utility model;

[0015] Figure 2This is a side sectional view of the overall structure of an embodiment of a feeding device for a grinding machine according to this utility model;

[0016] Figure 3 This is a front view of the overall structure of the screening component and the drive component in an embodiment of a feeding device for a grinding mill according to this utility model.

[0017] Reference numerals: 1. Feeding cylinder; 2. Screening assembly; 21. Screening cylinder; 22. Rotary ring; 23. Screening hole; 24. Arc-shaped groove plate; 3. Drive assembly; 31. Main gear; 32. Drive motor; 33. External gear ring; 4. Crushing assembly; 41. Crushing roller; 42. Crushing motor; 5. Front cover; 6. Feed inlet; 7. Discharge outlet; 8. Support leg. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0019] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0021] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0022] Example 1

[0023] like Figure 1-3 As shown, the present invention proposes a feeding device for a grinding mill, including a feeding cylinder 1 and a front cover 5. The front cover 5 is fixedly installed on the front of the feeding cylinder 1 by multiple fastening screws. A crushing component 4 is rotatably installed on the rear inner wall of the feeding cylinder 1 and the rear side of the front cover 5. A screening component 2 is rotatably sleeved on the inner wall of the feeding cylinder 1 for screening the material crushed by the crushing component 4. A driving component 3 is fixedly installed on the front cover 5 for driving the screening component 2 to rotate on the inner wall of the feeding cylinder 1. A feed inlet 6 is fixedly inserted into the front of the front cover 5, and a discharge outlet 7 is fixedly inserted into the bottom of the feeding cylinder 1. Multiple support legs 8 are evenly fixedly installed at the bottom of the feeding cylinder 1.

[0024] In this embodiment: the screening component 2 includes a screening cylinder 21 rotatably sleeved on the inner wall of the feeding cylinder 1. Two rotating rings 22 are fixedly installed on the outer periphery of the screening cylinder 21. Two annular rotating grooves are opened on the inner wall of the feeding cylinder 1, and the annular rotating grooves cooperate with the rotating rings 22. Through these arrangements, the screening cylinder 21 can rotate on the inner wall of the feeding cylinder 1 through the cooperation of the two rotating rings 22 and the two annular rotating grooves. A plurality of screening holes 23 are evenly opened on the inner wall of the screening cylinder 21. Through these arrangements, the size of the screening holes 23 can be customized according to actual needs. After the material is crushed by the crushing component 4, the material that meets the requirements enters the discharge port 7 through the screening holes 23, and the material that does not meet the requirements enters the discharge port 7. Materials that meet the requirements cannot pass through the screening holes 23 and remain inside the screening cylinder 21, preventing non-compliant materials from entering the grinder and causing damage. Multiple arc-shaped groove plates 24 are evenly fixedly installed on the inner wall of the screening cylinder 21. With these settings, when the screening cylinder 21 rotates, non-compliant materials remaining inside the screening cylinder 21 will enter the arc-shaped grooves of the arc-shaped groove plates 24. As the screening cylinder 21 rotates, when the material reaches above the crushing component 4, it will automatically slide onto the crushing component 4 for further crushing, thus continuously crushing non-compliant materials until they are crushed to the required specifications.

[0025] Example 2

[0026] like Figure 1-3As shown, the feeding device for a grinding mill proposed in this utility model, compared with Embodiment 1, further includes a drive assembly 3 comprising a main gear 31 rotatably mounted on the rear side of the front cover 5, a drive motor 32 fixedly mounted on the front side of the front cover 5, the output end of the drive motor 32 penetrating the front cover 5 and fixedly connected to the front side of the main gear 31. These arrangements allow the drive motor 32 to rotate the main gear 31 on the rear side of the front cover 5. An external gear ring 33 is fixedly mounted on the front side of the screening cylinder 21, and the external gear ring 33 meshes with the main gear 31 for transmission. These arrangements allow the main gear 31 to rotate when it rotates. The external gear ring 33 rotates, which drives the screening cylinder 21 fixedly connected to it to rotate. The crushing assembly 4 includes two crushing rollers 41 rotatably mounted on the rear inner wall of the feeding cylinder 1 and the rear side of the front cover 5. The two crushing rollers 41 cooperate with each other. Two crushing motors 42 are fixedly mounted on the rear side of the feeding cylinder 1. The output ends of the crushing motors 42 all pass through the rear wall of the feeding cylinder 1 and are fixedly connected to the rear side of one crushing roller 41 respectively. Through these settings, starting the two crushing motors 42 can drive the two crushing rollers 41 to rotate respectively. The material is crushed by the cooperation of the two crushing rollers 41.

[0027] Working principle: When using this device, the material is poured into the feeding cylinder 1 through the feed inlet 6. The two crushing motors 42 are started, driving the two crushing rollers 41 to rotate. The two crushing rollers 41 work together to crush the material. The drive motor 32 is started, driving the main gear 31 to rotate on the rear side of the front cover 5. The rotation of the main gear 31 drives the outer gear ring 33 to rotate, which in turn drives the screening cylinder 21, which is fixedly connected to it, to rotate on the inner wall of the feeding cylinder 1. After being crushed by the crushing components 4, materials that meet the requirements pass through the screening cylinder. Materials that do not meet the requirements cannot pass through the screening hole 23 and continue to remain inside the screening cylinder 21. This prevents non-compliant materials from entering the grinder and causing damage. The non-compliant materials remaining inside the screening cylinder 21 will automatically enter the arc-shaped groove of the arc-shaped trough plate 24 as the screening cylinder 21 rotates. The arc-shaped trough plate 24 rotates with the screening cylinder 21. When the material reaches above the two crushing rollers 41, it will automatically slide down between the two crushing rollers 41 for further crushing until it is crushed into materials of the required size.

[0028] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A feeding device for a grinding mill, comprising a feeding cylinder (1) and a front cover (5), characterized in that: The front cover (5) is fixedly installed on the front of the feeding cylinder (1) by multiple fastening screws. The rear inner wall of the feeding cylinder (1) and the rear side of the front cover (5) are rotatably installed with the crushing component (4). The inner wall of the feeding cylinder (1) is rotatably fitted with the screening component (2) for screening the material after being crushed by the crushing component (4). The front cover (5) is fixedly installed with the driving component (3) for driving the screening component (2) to rotate on the inner wall of the feeding cylinder (1). The front of the front cover (5) is fixedly inserted with the feed inlet (6). The bottom of the feeding cylinder (1) is fixedly inserted with the discharge port (7). The bottom of the feeding cylinder (1) is evenly fixedly installed with multiple support legs (8).

2. The feeding device for a grinding mill according to claim 1, characterized in that, The screening component (2) includes a screening cylinder (21) that is rotatably sleeved on the inner wall of the feeding cylinder (1). Two rotating rings (22) are fixedly installed on the periphery of the screening cylinder (21). Two annular rotating grooves are opened on the inner wall of the feeding cylinder (1), and the annular rotating grooves cooperate with the rotating rings (22).

3. The feeding device for a grinding mill according to claim 2, characterized in that, The inner wall of the screening cylinder (21) is uniformly provided with a plurality of screening holes (23).

4. The feeding device for a grinding mill according to claim 3, characterized in that, Multiple arc-shaped groove plates (24) are uniformly fixedly installed on the inner wall of the screening cylinder (21).

5. A feeding device for a grinding mill according to claim 2, characterized in that, The drive assembly (3) includes a main gear (31) rotatably mounted on the rear side of the front cover (5), and a drive motor (32) is fixedly mounted on the front side of the front cover (5). The output end of the drive motor (32) passes through the front cover (5) and is fixedly connected to the front side of the main gear (31).

6. A feeding device for a grinding mill according to claim 5, characterized in that, An external gear ring (33) is fixedly installed on the front of the screening cylinder (21), and the external gear ring (33) meshes with the main gear (31) for transmission.

7. A feeding device for a grinding mill according to claim 1, characterized in that, The crushing assembly (4) includes two crushing rollers (41) rotatably mounted on the rear inner wall of the feed cylinder (1) and the rear side of the front cover (5). The two crushing rollers (41) cooperate with each other. Two crushing motors (42) are fixedly installed on the rear side of the feed cylinder (1). The output ends of the crushing motors (42) all penetrate the rear wall of the feed cylinder (1) and are fixedly connected to the rear side of one crushing roller (41) respectively.

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