A diamond powder classifying device

Abstract

The utility model discloses a diamond powder grading device, including two fixed plates, two fixed plates opposite two surfaces between fixed connection have the inclined plate, the inclined plate left side fixed connection has the main servo motor, the main servo motor output fixed connection has the main gear through the inclined plate, the inclined plate right end face rotatory connection has the auxiliary gear, the main gear is engaged with auxiliary gear, the auxiliary gear right end surface is equipped with the primary screening mechanism, two fixed plate lower side is equipped with the refinement screening mechanism, two fixed plate front and back both sides all common fixed connection has the connecting plate, right side connecting plate upper end surface fixed connection has the auxiliary servo motor, the utility model discloses, has practicality is strong and the characteristics such as high grading accuracy.

Description

Technical Field

[0001] This utility model belongs to the field of diamond production technology, specifically relating to a diamond powder grading device. Background Technology

[0002] A diamond powder grading device is a mechanical device specifically designed for particle size classification and screening of diamond powder. It aims to separate diamond powder particles of different sizes to meet the precise particle size requirements of various industrial applications. The diamond powder grading device is based on the differences in the passage capacity of diamond powder particles of different sizes on a specific screening medium (such as a sieve), and utilizes the centrifugal force, vibration, or gravity generated by mechanical motion to classify the powder particles according to their size.

[0003] Currently, widely used diamond powder grading devices have significant limitations in their functional design, making it difficult to meet the demands of modern industrial production for the fine grading of diamond powder. The most prominent problem is the inability to perform multi-stage sieving, thus hindering precise grading based on the coarseness of the diamond particles. From the perspective of grading principles and structural design, many existing grading devices employ relatively simple and singular grading methods. This design limits the grading process to roughly dividing diamond powder into several broad particle size ranges, such as coarse, medium, and fine grades, without the ability to further refine it into more advanced levels.

[0004] Therefore, a diamond powder grading device is proposed to solve the problem of insufficient grading. Utility Model Content

[0005] The purpose of this invention is to provide a diamond powder grading device to address the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a diamond powder grading device, comprising two fixed plates, an inclined plate fixedly connected between the two opposite surfaces of the two fixed plates, a main servo motor fixedly connected to the left side of the inclined plate, a main gear fixedly connected through the output end of the main servo motor through the inclined plate, an auxiliary gear rotatably connected to the right end face of the inclined plate, the main gear meshing with the auxiliary gear, a primary screening mechanism provided on the right end face of the auxiliary gear, a fine screening mechanism provided on the lower side of the two fixed plates, a connecting plate fixedly connected to both the front and rear sides of the two fixed plates, and an auxiliary servo motor fixedly connected to the upper surface of the right connecting plate; The primary screening mechanism includes a baffle plate. The left end face of the baffle plate is fixedly connected to the right end face of the auxiliary gear. An auger is rotatably connected to the right end face of the baffle plate. A multi-stage screening cylinder is fixedly connected to the upper end face of the baffle plate. The multi-stage screening cylinder is nested outside the auger. Spacing plates are rotatably connected at the screen intervals of the multi-stage screening cylinder. The front and rear ends of the spacing plates are fixedly connected to the sides of a fixed plate, respectively. A guide chute is fixedly connected to the upper right end face of the rightmost spacing plate. An upper plate is fixedly connected to the right end face of the guide chute. The free end of the auger is fixedly connected to the left end face of the upper plate.

[0007] This utility model further explains that the outer wall of the multi-stage screening cylinder is provided with a number of screening holes of three different specifications: large, medium, and small. The screening holes of the three different specifications are arranged linearly on the outer wall of the multi-stage screening cylinder. The left end of the first three partition plates from right to left is fixedly connected to a trapezoidal plate. The distance between the auger and the inner wall of the multi-stage screening cylinder is greater than the diameter of the largest screening hole.

[0008] The present invention further explains that the fine sieving mechanism includes a sieving frame, and three sieving plates of small, medium and large are fixedly connected to the inner wall of the sieving frame. The three sieving plates of small, medium and large are arranged linearly at a 45-degree angle to the horizontal plane. The size of the sieve holes of the sieving plates decreases sequentially. A discharge plate is fixedly connected to the left side of each sieving plate.

[0009] The present invention further explains that the positions of the screening plate and the partition plate are adapted to each other, the screening plate is located directly below the partition plate, and the screening diameters are arranged from small to large as follows: large screening plate, small screening hole, medium screening plate, medium screening hole, small screening plate, and large screening hole.

[0010] This utility model further illustrates that a guide rod is fixedly connected between the two opposing surfaces of the two fixed plates, and a sliding block is slidably connected to the outer wall of the guide rod. The lower end face of the sliding block is fixedly connected to the left side of the upper end face of the screening frame. A guide hole is opened on the right side of the upper end face of the screening frame, and a guide block is slidably connected in the guide hole. A turntable is fixedly connected to the upper end face of the guide block, and a stop block is fixedly connected to the lower end face of the guide block. The output end of the auxiliary servo motor is fixedly connected to the upper end face of the turntable through the connecting plate.

[0011] This utility model further illustrates that a support leg is fixedly connected to the lower side of the two connecting plates, and an anti-slip pad is fixedly connected to the lower end face of the support leg.

[0012] Compared with the prior art, the beneficial effects achieved by this utility model are: Multi-stage sieving improves classification accuracy: This device achieves multi-stage sieving of diamond powder through a primary sieving mechanism and a refining sieving mechanism. In the primary sieving mechanism, the outer wall of the multi-stage sieving cylinder has three different sizes of screening holes arranged linearly, allowing for the initial separation of diamond powders of different particle sizes. In the refining sieving mechanism, three screening plates of small, medium, and large sizes are fixedly connected to the inner wall of the screening frame and arranged linearly at a 45-degree angle to the horizontal plane, with the screen hole size decreasing sequentially. This allows for further fine sieving of the powder after primary sieving, greatly improving classification accuracy and meeting the needs of diamond powders of different particle sizes.

[0013] To ensure screening quality and eliminate the need for manual cleaning: The distance between the auger and the inner wall of the multi-stage screening cylinder is greater than the diameter of the largest screening hole. This design ensures that only powder with a particle size smaller than the screening hole can pass through during the screening process. Larger particles or impurities will remain in the feed chute as the auger and screening cylinder move relative to each other, thus ensuring the quality of the screened diamond powder and reducing the mixing of impurities. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model; Figure 2 This is a schematic diagram of the internal structure of an embodiment of the present utility model; Figure 3 This is a top view of an embodiment of the present utility model; Figure 4 This is a cross-sectional view of the internal structure of an embodiment of this utility model.

[0015] In the diagram: 1. Fixed plate; 2. Inclined plate; 3. Main servo motor; 4. Main gear; 5. Auxiliary gear; 6. Connecting plate; 7. Auxiliary servo motor; 801. Baffle; 802. Screwdriver; 803. Multi-stage screening cylinder; 804. Spacer plate; 805. Guide chute; 806. Upper plate; 807. Trapezoidal plate; 901. Screening frame; 902. Screening plate; 903. Discharge plate; 10. Guide rod; 11. Sliding block; 12. Guide hole; 13. Guide block; 14. Turntable; 15. Stop block. Detailed Implementation

[0016] The following detailed, non-limiting description of the present invention, in conjunction with preferred embodiments and accompanying drawings, is provided. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0017] like Figure 1 As shown, the diamond powder grading device of this embodiment includes two fixed plates 1. An inclined plate 2 is fixedly connected between the two opposite surfaces of the two fixed plates 1. A main servo motor 3 is fixedly connected to the left side of the inclined plate 2. A main gear 4 is fixedly connected through the output end of the main servo motor 3 through the inclined plate 2. An auxiliary gear 5 is rotatably connected to the right end face of the inclined plate 2. The main gear 4 and the auxiliary gear 5 mesh. A primary screening mechanism is provided on the right end face of the auxiliary gear 5. A fine screening mechanism is provided on the lower side of the two fixed plates 1. A connecting plate 6 is fixedly connected to both the front and rear sides of the two fixed plates 1. An auxiliary servo motor 7 is fixedly connected to the upper end face of the right connecting plate 6. The primary screening mechanism includes a baffle 801. The left end face of the baffle 801 is fixedly connected to the right end face of the auxiliary gear 5. An auger 802 is rotatably connected to the right end face of the baffle 801. A multi-stage screening cylinder 803 is fixedly connected to the upper end face of the baffle 801. The multi-stage screening cylinder 803 is nested outside the auger 802. Spacing plates 804 are rotatably connected at the screen intervals of the multi-stage screening cylinder 803. The front and rear ends of the spacing plates 804 are fixedly connected to the sides of the fixed plate 1, respectively. A guide trough 805 is fixedly connected to the upper right end face of the rightmost spacing plate 804. An upper plate 806 is fixedly connected to the right end face of the guide trough 805. The free end of the auger 802 is fixedly connected to the left end face of the upper plate 806.

[0018] The main servo motor 3 on the left side of the inclined plate 2 starts, and its output drives the main gear 4 to rotate. Since the main gear 4 meshes with the auxiliary gear 5, the rotation of the main gear 4 will drive the auxiliary gear 5 to rotate on the right end face of the inclined plate 2. The rotation of the auxiliary gear 5 is transmitted to the baffle 801 fixedly connected to it. The baffle 801 drives the multi-stage screening cylinder 803 fixedly connected to its upper end face to start rotating. At the same time, the auger 802, because it is fixedly connected to the upper plate 806, will cause the multi-stage screening cylinder 803 to rotate relative to the auger 802. When the auger 802 and the multi-stage screening cylinder 803 rotate relative to each other, the diamond powder that is put in will tumble and flow with the rotation of the multi-stage screening cylinder 803. Powder with a particle size smaller than the smallest screening hole will first pass through the corresponding screening hole; as the powder continues to move, powder with a particle size smaller than the medium screening hole will pass through the medium screening hole; finally, powder with a particle size smaller than the largest screening hole will pass through the largest screening hole.

[0019] The multi-stage screening cylinder 803 has several screening holes of three different sizes (large, medium, and small) on its outer wall. These screening holes are arranged linearly on the outer wall of the multi-stage screening cylinder 803. Trapezoidal plates 807 are fixedly connected to the left ends of the first three partition plates 804 from right to left. The distance between the auger 802 and the inner wall of the multi-stage screening cylinder 803 is greater than the diameter of the largest screening hole. This prevents larger particles or impurities larger than the largest screening hole from passing through the screening holes. During the relative movement of the auger 802 and the screening cylinder, these larger particles or impurities remain in the feed chute 805 and will not mix with the screened powder, ensuring screening quality and eliminating the need for manual cleaning.

[0020] The refined screening mechanism includes a screening frame 901, and three screening plates 902 of small, medium and large are fixedly connected to the inner wall of the screening frame 901. The three screening plates 902 are arranged linearly at a 45-degree angle to the horizontal plane, and the screen hole size of the screening plates 902 decreases in sequence. A discharge plate 903 is fixedly connected to the left side of each screening plate 902.

[0021] The screening plate 902 is positioned to match the partition plate 804. The screening plate 902 is located directly below the partition plate 804. The screening diameters are arranged from smallest to largest as follows: large screening plate, small screening hole, medium screening plate, medium screening hole, small screening plate, and large screening hole.

[0022] Two fixed plates 1 are fixedly connected to opposite surfaces by guide rods 10. A sliding block 11 is slidably connected to the outer wall of the guide rods 10. The lower end of the sliding block 11 is fixedly connected to the left side of the upper end of the sieve frame 901. A guide hole 12 is provided on the right side of the upper end of the sieve frame 901. A guide block 13 is slidably connected inside the guide hole 12. A turntable 14 is fixedly connected to the upper end of the guide block 13, and a stop block 15 is fixedly connected to the lower end of the guide block 13. The output end of the auxiliary servo motor 7 passes through the connecting plate 6 and is fixedly connected to the upper end of the turntable 14. The powder after primary sieving falls into the lower refining sieving mechanism. Because the sieve plate 902 and the partition plate 804 are positioned correctly and the sieve plate 902 is directly below the partition plate 804, the powder can accurately fall onto the corresponding sieve plate 902. The auxiliary servo motor 7 on the right connecting plate 6 is started, and its output end drives the turntable 14 to rotate. The guide block 13 on the turntable 14 rotates accordingly, and simultaneously slides within the guide hole 12 on the right side of the upper end face of the sieve frame 901. The stop block 15 at the lower end of the guide block 13 serves to limit and assist sliding. The left side of the upper end face of the sieve frame 901 is connected to the guide rod 10 between the sliding block 11 and the fixed plate 1. Driven by the rotation of the guide block 13, the sieve frame 901 reciprocates on the guide rod 10 via the sliding block 11. At this point, the refining sieve mechanism begins to work under power drive. The three sieve plates 902, small, medium, and large, fixedly connected to the inner wall of the sieve frame 901, are arranged linearly at a 45-degree angle to the horizontal plane, with the sieve hole size decreasing sequentially. When the sieve frame 901 reciprocates, the powder falling onto the sieve plates 902 will continuously tumble and jump on the sieve plates 902. Powder with a particle size smaller than the sieve openings of the small sieve plate will first pass through the small sieve plate; as the powder continues to move, powder with a particle size smaller than the sieve openings of the medium sieve plate will pass through the medium sieve plate; finally, powder with a particle size smaller than the sieve openings of the large sieve plate will pass through the large sieve plate. After being sieved by the corresponding sieve plates, powder of different particle sizes will slide out from the discharge plate 903 fixedly connected to the left side of the sieve plate. Operators can place a collection container under the discharge plate 903 to classify and collect diamond powder of different particle sizes.

[0023] Support legs are fixedly connected to the lower sides of the two connecting plates 6, and anti-slip pads are fixedly connected to the lower end faces of the support legs. The support legs fixedly connected to the lower sides of the two connecting plates 6 provide stable support for the entire device, and the anti-slip pads fixedly connected to the lower end faces of the support legs increase the friction between the device and the ground, preventing the device from sliding or tipping over during use, ensuring the stability of the device, and ensuring the safety of the operators.

[0024] Working Principle: Upon power connection, the main servo motor 3 and auxiliary servo motor 7 are started sequentially. The main servo motor 3 drives the main gear 4 to rotate, which in turn drives the baffle 801 to rotate via the auxiliary gear 5. This, in turn, drives the multi-stage screening cylinder 803 to rotate relative to the auger 802, and the primary screening mechanism begins to work. The auxiliary servo motor 7 drives the turntable 14 to rotate, which, through the guide block 13 and guide hole 12, causes the screening frame 901 to reciprocate on the guide rod 10, and the fine screening mechanism begins to work. The diamond powder to be screened is slowly and evenly fed into the multi-stage screening cylinder 803 through the feed chute 805. During the feeding process, care should be taken to avoid powder accumulation and ensure that the powder can flow smoothly inside the cylinder. The rotation of the auger 802 pushes the powder to move within the multi-stage screening cylinder 803. At this time, the powder with a particle size smaller than the smallest screening hole will first pass through the corresponding screening hole; as the powder continues to move, the powder with a particle size smaller than the medium screening hole will pass through the medium screening hole; finally, the powder with a particle size smaller than the largest screening hole will pass through the largest screening hole. Larger particles or impurities with a diameter greater than the maximum screening aperture cannot pass through the screening aperture and will remain at the guide chute 805 during the relative movement of the auger 802 and the screening cylinder. The powder that has passed the primary screening falls into the refining screening mechanism below. Since the screening plate 902 and the partition plate 804 are positioned to match and the screening plate 902 is located directly below the partition plate 804, the powder can accurately fall onto the corresponding screening plate 902. The auxiliary servo motor 7 drives the turntable 14 to rotate. The guide block 13 on the turntable 14 rotates accordingly, and at the same time, the guide block 13 slides in the guide hole 12 on the right side of the upper end face of the screening frame 901. At this time, the stop block 15 at the lower end of the guide block 13 plays a role in limiting and assisting the sliding, thereby causing the screening frame 901 to reciprocate back and forth. Meanwhile, the left side of the upper end face of the screening frame 901 is connected to the guide rod 10 between the sliding block 11 and the fixed plate 1 to increase the stability of the refining screening mechanism. As the screening frame 901 reciprocates, the powder falling onto the screening plate 902 continuously tumbles and jumps. Larger powder particles sieved by the multi-stage screening cylinder 803 fall onto the large screening plate. Under the reciprocating motion of the screening frame 901, powder particles larger than the sieve holes of the large screening plate slide out through the discharge plate 903 fixedly connected to the large screening plate. Powder particles smaller than the sieve holes of the large screening plate pass through the large screening plate and fall onto the intermediate screening plate along with the medium-sized powder sieved by the multi-stage screening cylinder 803. As screening continues, powder particles larger than the sieve holes of the intermediate screening plate slide out through the discharge plate 903 fixedly connected to the intermediate screening plate. Powder with a particle size smaller than the sieve holes of the middle sieve plate passes through the middle sieve plate and falls onto the small sieve plate together with the smaller powder separated by the multi-stage sieve cylinder 803. Powder with a particle size smaller than the sieve holes of the small sieve plate will pass through the small sieve plate first, while powder with a particle size larger than the sieve holes of the small sieve plate will slide out through the discharge plate 903 fixedly connected to the small sieve plate. This allows the device to classify diamond powder into four grades with different coarsenesses. The large sieve plate is located to the left of the middle sieve plate, and the small sieve plate is located to the right of the middle sieve plate 902.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model, 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, and therefore should not be construed as a limitation of this utility model.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A diamond powder grading device, comprising two fixing plates (1), characterized in that: An inclined plate (2) is fixedly connected between the two surfaces of the two fixed plates (1). A main servo motor (3) is fixedly connected to the left side of the inclined plate (2). A main gear (4) is fixedly connected through the output end of the main servo motor (3) through the inclined plate (2). An auxiliary gear (5) is rotatably connected to the right end of the inclined plate (2). The main gear (4) meshes with the auxiliary gear (5). A primary screening mechanism is provided on the right end of the auxiliary gear (5). A fine screening mechanism is provided on the lower side of the two fixed plates (1). A connecting plate (6) is fixedly connected to both the front and rear sides of the two fixed plates (1). An auxiliary servo motor (7) is fixedly connected to the upper end of the right connecting plate (6). The primary screening mechanism includes a baffle (801), the left end face of the baffle (801) is fixedly connected to the right end face of the auxiliary gear (5), the right end face of the baffle (801) is rotatably connected to an auger (802), the upper end face of the baffle (801) is fixedly connected to a multi-stage screening cylinder (803), the multi-stage screening cylinder (803) is nested outside the auger (802), the screen intervals of the multi-stage screening cylinder (803) are rotatably connected to a partition plate (804), the front and rear ends of the partition plate (804) are fixedly connected to the side of the fixed plate (1) respectively, the upper right end face of the partition plate (804) is fixedly connected to a guide trough (805), the right end face of the guide trough (805) is fixedly connected to an upper plate (806), and the free end of the auger (802) is fixedly connected to the left end face of the upper plate (806).

2. The diamond powder grading device according to claim 1, characterized in that: The outer wall of the multi-stage screening cylinder (803) is provided with a number of screening holes of three different sizes: large, medium and small. The screening holes of three different sizes are arranged linearly on the outer wall of the multi-stage screening cylinder (803). The left end of the first three partition plates (804) from right to left is fixedly connected with trapezoidal plates (807). The distance between the auger (802) and the inner wall of the multi-stage screening cylinder (803) is greater than the diameter of the largest screening hole.

3. The diamond powder grading device according to claim 1, characterized in that: The fine sieving mechanism includes a sieving frame (901), and three sieving plates (902) of small, medium and large are fixedly connected to the inner wall of the sieving frame (901). The three sieving plates (902) of small, medium and large are arranged linearly at a 45-degree angle to the horizontal plane. The size of the sieve holes of the sieving plates (902) decreases in sequence. A discharge plate (903) is fixedly connected to the left side of each sieving plate (902).

4. The diamond powder grading device according to claim 3, characterized in that: The sieve plate (902) is positioned to match the spacer plate (804). The sieve plate (902) is located directly below the spacer plate (804). The sieve diameters are arranged from smallest to largest as follows: large sieve plate, small sieve hole, medium sieve plate, medium sieve hole, small sieve plate, and large sieve hole.

5. A diamond powder grading device according to claim 1, characterized in that: A guide rod (10) is fixedly connected between the two opposing surfaces of the two fixed plates (1). A sliding block (11) is slidably connected to the outer wall of the guide rod (10). The lower end face of the sliding block (11) is fixedly connected to the left side of the upper end face of the screening frame (901). A guide hole (12) is opened on the right side of the upper end face of the screening frame (901). A guide block (13) is slidably connected in the guide hole (12). A turntable (14) is fixedly connected to the upper end face of the guide block (13). A stop block (15) is fixedly connected to the lower end face of the guide block (13). The output end of the auxiliary servo motor (7) passes through the connecting plate (6) and is fixedly connected to the upper end face of the turntable (14).

6. The diamond powder grading device according to claim 1, characterized in that: Support legs are fixedly connected to the lower side of the two connecting plates (6), and anti-slip pads are fixedly connected to the lower end face of the support legs.

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