Automatic wear-resistant steel ball screening device

Abstract

The utility model relates to the technical field of wear-resistant steel ball screening, in particular to an automatic wear-resistant steel ball screening device which comprises a movable rack, a feeding hopper, a screening roller assembly, a blanking hopper and a motor, the feeding hopper is fixedly installed at the end of the movable rack, the screening roller assembly is rotatably installed on the movable rack, and the blanking hopper is fixedly installed on the movable rack. A spiral conveying blade is fixedly arranged in the screening roller assembly, the discharging hopper is arranged below the screening roller assembly and fixedly connected with the movable rack, the motor is fixedly installed on the movable rack and connected with the screening roller assembly in a driving mode, and the screening roller assembly can rotate to drive the spiral conveying blade to rotate together. Therefore, the wear-resistant steel balls located in the screening roller assembly can advance in a rolling mode in the spiral direction of the spiral conveying blade, and the situation that the large steel balls stop in the screening holes is avoided. In addition, the device can contain the wear-resistant steel balls and meanwhile enter the screening roller assembly, and efficient screening is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of wear-resistant steel ball screening, in particular to an automatic wear-resistant steel ball screening device. Background Art

[0002] Wear-resistant steel balls are consumables, and their main purpose is to grind materials to make them finer to meet the use standards. Wear-resistant steel balls of different sizes are mixed during processing or use, and they need to be screened by a screening device to separate and screen wear-resistant steel balls of different sizes. For example, the patent number "CN202322053199.1" and the patent name "A wear-resistant steel ball screening device" discloses a wear-resistant steel ball screening device, including an inclined bottom plate, and the four corners of the lower end of the inclined bottom plate are all provided with feet, and the upper end of the inclined bottom plate is provided with a support leg. The front end of the end and the front end of the driving plate are symmetrically provided with a steel ball screening mechanism, which includes a back plate, and the left and right ends of the back plate are symmetrically provided with side plates, and the upper corner points of the left and right opposite side plates are rotatably connected with rollers, and the steel balls are screened by two parallel and appropriately inclined rollers with adjustable spacing, and the rotation of the rollers can drive the steel balls to rotate parallel to the axis of the rollers, so that the steel balls roll along the rollers at different angles, avoiding the situation where the larger steel balls are stagnant in the sieve holes when screening with a screen or a sieve plate, thereby improving the screening effect. Although this screening method avoids the situation where the steel balls are stagnant in the sieve holes, only one screening path is provided, which greatly reduces the screening efficiency. Summary of the invention

[0003] In order to overcome the technical problem that relatively large steel balls stagnate in the sieve holes when screening with a sieve or a sieve plate and to improve the screening efficiency, the utility model provides an automatic wear-resistant steel ball screening device.

[0004] The utility model provides an automatic wear-resistant steel ball screening device adopts the following technical solutions:

[0005] An automated wear-resistant steel ball screening device comprises a movable frame, a feed hopper, a screening drum assembly, a drop hopper and a motor, wherein the feed hopper is fixedly mounted at the end of the movable frame, one end of the feed hopper extends out of the movable frame, and the other end extends into the interior of the screening drum assembly, the screening drum assembly is rotatably mounted on the movable frame, the axial direction of the screening drum assembly is arranged along the length direction of the movable frame, a spiral conveying blade is fixedly arranged inside the screening drum assembly, the drop hopper is arranged below the screening drum assembly, the drop hopper is fixedly connected to the movable frame, the motor is fixedly mounted on the movable frame, and the motor drives the screening drum assembly.

[0006] By adopting the above technical solution, by fixing the spiral conveying blade inside the screening drum assembly, the spiral conveying blade can be driven to rotate together when the screening drum assembly rotates, so that the wear-resistant steel balls inside the screening drum assembly can roll forward along the spiral direction of the spiral conveying blade, which can effectively prevent the larger steel balls from stagnating in the sieve holes; in addition, the device can accommodate the wear-resistant steel balls and enter the interior of the screening drum assembly at the same time, thereby realizing efficient screening.

[0007] Preferably, the screening drum assembly includes a rotating roller shaft and a cylinder body, the rotating roller shaft is rotatably mounted on a movable frame, the motor drive is connected to the rotating roller shaft, the axial direction of the rotating roller shaft is arranged along the length direction of the movable frame, the cylinder body is fixedly connected to the rotating roller shaft through straight blades, and spiral conveying blades are fixedly arranged on the inner wall of the cylinder body.

[0008] Preferably, the cylinder comprises a first cylinder, a second cylinder and a third cylinder, the first cylinder, the second cylinder and the third cylinder are fixedly connected in sequence, and the first cylinder is arranged at one end close to the feed hopper.

[0009] Preferably, the first cylinder is provided with a first screening hole, which is spread over the cylinder wall of the first cylinder; the second cylinder is provided with a second screening hole, which is spread over the cylinder wall of the second cylinder; the third cylinder is provided with a third screening hole, which is spread over the cylinder wall of the third cylinder, and the inner diameters of the first screening hole, the second screening hole and the third screening hole increase successively.

[0010] By adopting the above technical solution, the first screening hole, the second screening hole and the third screening hole with inner diameters from small to large are opened on the cylinder, that is, the wear-resistant steel balls pass through the screening holes with inner diameters from small to large in sequence, and the wear-resistant steel balls with smaller diameters fall from the first screening hole. The first screening hole, the second screening hole and the third screening hole sequentially sort the wear-resistant steel balls according to their diameters, thereby realizing the separation and screening of wear-resistant steel balls of different sizes.

[0011] Preferably, the dropping hopper includes a first dropping hopper, a second dropping hopper, a third dropping hopper and a discharge hopper, and the first dropping hopper, the second dropping hopper, the third dropping hopper and the discharge hopper are all fixedly mounted on a movable frame, the first dropping hopper is arranged below the first cylinder, the second dropping hopper is arranged below the second cylinder, the third dropping hopper is arranged below the third cylinder, and the discharge hopper is arranged at the end of the third cylinder.

[0012] Preferably, partitions are fixedly mounted on the movable frame, and the partitions are respectively arranged below the junctions between the first cylinder, the second cylinder and the third cylinder, and the contours of the partitions are adapted to the cylinders. The partitions are arranged between the first drop hopper and the second drop hopper and between the second drop hopper and the third drop hopper.

[0013] By adopting the above technical solution, by setting partitions between the first drop hopper and the second drop hopper and between the second drop hopper and the third drop hopper, it is possible to effectively prevent wear-resistant steel balls from accidentally entering other drop hoppers when falling from different screening holes, thereby ensuring the accuracy of the device in separating and screening wear-resistant steel balls.

[0014] Preferably, the outlets of the first drop hopper, the second drop hopper and the third drop hopper are alternately arranged on both sides of the cylinder axis.

[0015] By adopting the above technical solution, the outlets of the first hopper, the second hopper and the third hopper are alternately arranged on both sides of the cylinder axis, which can provide a larger space for placing containers for storing wear-resistant steel balls at the outlet; a discharge hopper is arranged at the end of the third cylinder, and the large-diameter wear-resistant steel balls that have not fallen after being screened by the screening hole are output by the discharge hopper.

[0016] In summary, the utility model has the following beneficial effects:

[0017] 1. The utility model is an automatic wear-resistant steel ball screening device. By fixing a spiral conveying blade inside the screening drum assembly, the spiral conveying blade can be driven to rotate together when the screening drum assembly rotates, so that the wear-resistant steel balls inside the screening drum assembly can roll forward along the spiral direction of the spiral conveying blade, which can effectively prevent the large steel balls from stagnating in the sieve holes; in addition, the device can accommodate the wear-resistant steel balls and enter the interior of the screening drum assembly at the same time, thereby realizing efficient screening.

[0018] 2. The utility model is an automated wear-resistant steel ball screening device, in which a first screening hole, a second screening hole and a third screening hole with inner diameters from small to large are opened on a cylinder, that is, the wear-resistant steel balls pass through the screening holes with inner diameters from small to large in sequence, and the wear-resistant steel balls with smaller diameters fall from the first screening hole. The first screening hole, the second screening hole and the third screening hole sequentially sort the wear-resistant steel balls according to their diameters, thereby realizing the separation and screening of wear-resistant steel balls of different sizes.

[0019] 3. The utility model is an automated wear-resistant steel ball screening device, which adopts the above-mentioned technical scheme and arranges partitions between the first drop hopper and the second drop hopper and between the second drop hopper and the third drop hopper, thereby effectively preventing the wear-resistant steel balls from accidentally entering other drop hoppers when falling from different screening holes, thereby ensuring the accuracy of the device in separating and screening the wear-resistant steel balls; the outlets of the first drop hopper, the second drop hopper and the third drop hopper are alternately arranged on both sides of the axis of the cylinder, thereby providing a larger space for placing containers for storing wear-resistant steel balls at the outlets. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of an automatic wear-resistant steel ball screening device of the utility model;

[0021] Figure 2 for Figure 1 Magnified view at A in the middle;

[0022] Figure 3 This is a top view of an automatic wear-resistant steel ball screening device of the utility model;

[0023] Figure 4 This is a schematic diagram of the installation of the spiral conveying blades of the automatic wear-resistant steel ball screening device;

[0024] Figure 5 Schematic diagram of the movable frame and hopper of the automated wear-resistant steel ball screening device.

[0025] Explanation of the reference numerals: 1. movable frame; 11. partition; 2. feed hopper; 3. screening drum assembly; 31. spiral conveying blade; 32. rotating roller; 33. cylinder; 331. first cylinder; 3311. first screening hole; 332. second cylinder; 3321. second screening hole; 333. third cylinder; 3331. third screening hole; 34. straight blade; 4. drop hopper; 41. first drop hopper; 42. second drop hopper; 43. third drop hopper; 44. discharge hopper; 5. motor. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-5 The utility model is described in further detail.

[0027] This embodiment discloses an automated wear-resistant steel ball screening device. Figure 1 and Figure 4 , including a movable frame 1, a feed hopper 2, a screening drum assembly 3, a drop hopper 4 and a motor 5. The four corners of the bottom of the movable frame 1 are provided with wheels to facilitate moving the device to a working position. The feed hopper 2 is fixedly mounted on one end of the movable frame 1, one end of the feed hopper 2 extends out of the movable frame 1, and the other end extends into the interior of the screening drum assembly 3, and the feed hopper 2 is tilted from the outside of the movable frame 1 to the inside of the screening drum assembly 3, that is, the wear-resistant steel ball can easily enter the interior of the screening drum assembly 3 under the action of the tilted feed hopper 2, and the screening drum assembly 3 is rotatably mounted on the movable frame 1, and the screening drum The axial direction of the component 3 is arranged along the length direction of the movable frame 1. A spiral conveying blade 31 is fixedly arranged inside the screening drum component 3 to push the wear-resistant steel balls along the axial direction of the screening drum component 3 to avoid the accumulation of wear-resistant steel balls in the screening drum component 3 and improve the screening effect. The drop hopper 4 is arranged below the screening drum component 3. The drop hopper 4 is fixedly mounted on the movable frame 1. The wear-resistant steel balls screened by the screening drum component 3 fall into the corresponding drop hopper 4. The motor 5 is fixedly mounted on the movable frame 1. The motor 5 drives the screening drum component 3 to drive the screening drum component 3 to rotate.

[0028] Among them, Figure 1-Figure 5 As shown, the screening drum assembly 3 includes a rotating roller shaft 32 and a cylinder body 33. The motor 5 is connected to the rotating roller shaft 32 through a belt drive. The rotating roller shaft 32 is rotatably mounted on the movable frame 1 through a bearing seat. The axial direction of the rotating roller shaft 32 is arranged along the length direction of the movable frame 1. The cylinder body 33 is fixedly connected to the rotating roller shaft 32 through a straight blade 34. A spiral conveying blade 31 is fixedly arranged on the inner wall of the cylinder body 33. Therefore, when the motor 5 drives the rotating roller shaft 32 to rotate, the cylinder body 33 and the spiral conveying blade 31 also rotate accordingly. The cylinder body 33 includes a first cylinder body 331, a second cylinder body 332, and a second cylinder body 333. 332 and the third cylinder 333, the first cylinder 331, the second cylinder 332 and the third cylinder 333 are fixedly connected in sequence, the first cylinder 331 is arranged at one end close to the feed hopper 2; the first cylinder 331 is provided with a plurality of first screening holes 3311, the first screening holes 3311 are distributed throughout the cylinder wall of the first cylinder 331, the second cylinder 332 is provided with a plurality of second screening holes 3321, the second screening holes 3321 are distributed throughout the cylinder wall of the second cylinder 332, the third cylinder 333 is provided with a plurality of third screening holes 3331, the third screening holes 3331 are distributed throughout the cylinder wall of the third cylinder 33 3, the inner diameters of the first screening hole 3311, the second screening hole 3321 and the third screening hole 3331 are increased in sequence; a first drop hopper 41 is arranged below the first cylinder 331, a second drop hopper 42 is arranged below the second cylinder 332, and a third drop hopper 43 is arranged below the third cylinder 333. The first drop hopper 41, the second drop hopper 42 and the third drop hopper 43 are all fixedly mounted on the movable frame 1, and a discharge hopper 44 is arranged at the end of the third cylinder 333, and the discharge hopper 44 is also fixedly mounted on the movable frame 1; the wear-resistant steel balls enter the cylinder through the inlet hopper 2 Inside the cylinder 33, a part of the wear-resistant steel balls with smaller diameters fall into the first drop hopper 41 through the first screening hole 3311, and the remaining wear-resistant steel balls enter the second cylinder 332 under the push of the spiral conveying blades 31 as the cylinder 33 rotates. A part of the wear-resistant steel balls with smaller diameters than the second screening hole 3321 fall into the second drop hopper 42, and the remaining wear-resistant steel balls enter the third cylinder 333 under the push of the spiral conveying blades 31, and a part of the wear-resistant steel balls fall into the third drop hopper 43. Finally, the wear-resistant steel balls that have not fallen into the drop hopper 4 are discharged from the discharge hopper 44 under the push of the spiral conveying blades 31.

[0029] Among them, Figure 1 and Figure 5As shown, a partition 11 is fixedly installed on the movable frame 1, and the partition 11 is respectively arranged below the intersection of the first cylinder 331, the second cylinder 332 and the third cylinder 333. The contour of the partition 11 is adapted to the cylinder 33. The partition 11 is arranged between the first drop hopper 41 and the second drop hopper 42 and between the second drop hopper 42 and the third drop hopper 43 to prevent the wear-resistant steel balls from falling from different screening holes and entering the wrong drop hopper 4, thereby ensuring the accuracy of the device in separating and screening the wear-resistant steel balls.

[0030] Among them, Figure 1-Figure 5 As shown, the outlets of the first drop hopper 41, the second drop hopper 42 and the third drop hopper 43 are alternately arranged on both sides of the axis of the cylinder 33 in sequence, so as to provide a larger space for placing a container for storing wear-resistant steel balls at the outlet; due to the different sizes of the screening holes on the cylinder 33, the corresponding sizes of the first drop hopper 41, the second drop hopper 42 and the third drop hopper 43 are arranged from small to large to accommodate the wear-resistant steel balls they receive; the first drop hopper 41, the second drop hopper 42, the third drop hopper 43 and the discharge hopper 44 are all inclined toward their outlets, so that the wear-resistant steel balls can naturally fall into the subsequent container for storing wear-resistant steel balls under the effect of the inclination.

[0031] The working principle of this embodiment is as follows: after starting the equipment, the motor 5 drives the rotating roller 32 to rotate, and the cylinder 33 and the spiral conveying blade 31 rotate accordingly, and the wear-resistant steel balls to be screened are conveyed from the inlet hopper 2 into the cylinder 33, and first enter the first cylinder 331. A part of the wear-resistant steel balls with smaller diameters fall into the first drop hopper 41 through the first screening hole 3311, and the remaining wear-resistant steel balls enter the second cylinder 332 as the cylinder 33 rotates and are pushed by the spiral conveying blade 31. A part of the wear-resistant steel balls with a smaller diameter than the second screening hole 3321 fall into the second drop hopper 42, and the remaining wear-resistant steel balls enter the third cylinder 333 under the push of the spiral conveying blade 31, and a part of the wear-resistant steel balls fall into the third drop hopper 43 through the third screening hole 3331. Finally, the wear-resistant steel balls that have not fallen into the drop hopper 4 are discharged from the discharge hopper 44 under the push of the spiral conveying blade 31, thus completing the separation and screening of wear-resistant steel balls of different sizes.

[0032] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An automated wear-resistant steel ball screening device, characterized in that: The invention comprises a movable frame (1), a feed hopper (2), a screening drum assembly (3), a drop hopper (4) and a motor (5), wherein the feed hopper (2) is fixedly mounted at the end of the movable frame (1), one end of the feed hopper (2) extends out of the movable frame (1), and the other end extends into the interior of the screening drum assembly (3), the screening drum assembly (3) is rotatably mounted on the movable frame (1), the axial direction of the screening drum assembly (3) is arranged along the length direction of the movable frame (1), a spiral conveying blade (31) is fixedly arranged inside the screening drum assembly (3), the drop hopper (4) is arranged below the screening drum assembly (3), the drop hopper (4) is fixedly connected to the movable frame (1), the motor (5) is fixedly mounted on the movable frame (1), and the motor (5) is driven to connect to the screening drum assembly (3).

2. The automatic wear-resistant steel ball screening device according to claim 1 is characterized in that: The screening drum assembly (3) comprises a rotating roller shaft (32) and a drum body (33); the rotating roller shaft (32) is rotatably mounted on a movable frame (1); the motor (5) is driven and connected to the rotating roller shaft (32); the axial direction of the rotating roller shaft (32) is arranged along the length direction of the movable frame (1); the drum body (33) is fixedly connected to the rotating roller shaft (32) via a straight blade (34); and a spiral conveying blade (31) is fixedly arranged on the inner wall of the drum body (33).

3. The automatic wear-resistant steel ball screening device according to claim 2 is characterized in that: The cylinder (33) comprises a first cylinder (331), a second cylinder (332) and a third cylinder (333); the first cylinder (331), the second cylinder (332) and the third cylinder (333) are fixedly connected in sequence; the first cylinder (331) is arranged at one end close to the feed hopper (2).

4. The automatic wear-resistant steel ball screening device according to claim 3 is characterized in that: The first cylinder (331) is provided with a first screening hole (3311), and the first screening hole (3311) is spread over the cylinder wall of the first cylinder (331); the second cylinder (332) is provided with a second screening hole (3321), and the second screening hole (3321) is spread over the cylinder wall of the second cylinder (332); the third cylinder (333) is provided with a third screening hole (3331), and the third screening hole (3331) is spread over the cylinder wall of the third cylinder (333), and the inner diameters of the first screening hole (3311), the second screening hole (3321) and the third screening hole (3331) are increased in sequence.

5. The automatic wear-resistant steel ball screening device according to claim 3 is characterized in that: The drop hopper (4) comprises a first drop hopper (41), a second drop hopper (42), a third drop hopper (43) and a discharge hopper (44); the first drop hopper (41), the second drop hopper (42), the third drop hopper (43) and the discharge hopper (44) are all fixedly mounted on the movable frame (1); the first drop hopper (41) is arranged below the first cylinder (331); the second drop hopper (42) is arranged below the second cylinder (332); the third drop hopper (43) is arranged below the third cylinder (333); and the discharge hopper (44) is arranged at the end of the third cylinder (333).

6. The automatic wear-resistant steel ball screening device according to claim 5, characterized in that: A partition (11) is fixedly mounted on the movable frame (1); the partition (11) is respectively arranged below the intersections of the first cylinder (331), the second cylinder (332) and the third cylinder (333); the contour of the partition (11) is adapted to the cylinder (33); the partition (11) is arranged between the first drop hopper (41) and the second drop hopper (42) and between the second drop hopper (42) and the third drop hopper (43).

7. The automatic wear-resistant steel ball screening device according to claim 5, characterized in that: The outlets of the first drop hopper (41), the second drop hopper (42) and the third drop hopper (43) are alternately arranged on both sides of the axis of the cylinder (33).

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