Stable sand screening machine
By designing a soft steel brush as a cleaning device in the sand screen machine, the problem of sand stuck in the mesh of the sand screen barrel is solved, and the effect of automatic cleaning and efficiency improvement is achieved.
Patent Information
- Application Number
- CN202420775229.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-15
AI Technical Summary
When using a sand screening machine to perform sand screening operations, some sand will get stuck in the mesh of the sand screening barrel, resulting in less sand passing through the sand screening net within a unit of time, and less and less over time. This leads to a significant reduction in the efficiency of sand screening.
A stable sand screening machine is designed, using a soft steel brush as a cleaning device, which drives the soft steel brush into the mesh of the sand screening tube through a threaded rod, and automatically cleans the mesh during the rotation of the sand screening tube to prevent sand from being blocked.
Effectively prevent sand from clogging the mesh, improve the efficiency of sand screening, and reduce the problem of reducing sand throughput due to clogging.
Smart Images
Figure CN222490881U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand screening machines, in particular to a stable sand screening machine. Background Art
[0002] Sand screening machine, also known as sand and gravel separator, is a kind of sand mining machinery that uses screening equipment to separate coarse and fine materials. It can be used for sand and gravel separation in rivers, reservoirs, and coal yards. It has a simple structure and is economical, practical, and easy to operate.
[0003] The inventor found in his daily work that when using a sand screening machine for sand screening operations, some sand would get stuck in the mesh of the sand screening cylinder, which would result in less sand passing through the sand screening net per unit time, and less and less sand as time goes by, thereby greatly reducing the efficiency of sand screening.
[0004] In order to solve the problem that some sand will be stuck in the mesh of the sand screening drum, which will cause less sand to pass through the sand screening drum per unit time, and the amount of sand will become less and less as time goes by, thereby greatly reducing the efficiency of sand screening, the prior art solves the problem by using tools such as hammers to hit the sand screening drum to make the sand stuck in the mesh fall out of the mesh. The utility model adopts another solution. Utility Model Content
[0005] The utility model proposes a stable sand screening machine to solve the problem that part of the sand will be stuck in the mesh of the sand screening cylinder, which will cause less sand to pass through the sand screening net per unit time and less and less sand as time goes by, thereby greatly reducing the efficiency of sand screening.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stable sand screening machine, including a sand screening drum, the outer surfaces of both ends of the sand screening drum are rotatably connected with fixed rings, a first motor is arranged on one side of one of the fixed rings, the output end of the first motor is fixedly connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a connecting rod, one side of the connecting rod is fixedly connected to the inner wall of one end of the sand screening drum, the outer surfaces of the two fixed rings are symmetrically fixedly connected with a first support rod and a second support rod, one side of one of the first support rods and one of the second support rods is provided with a cleaning device, and the cleaning device The device includes a threaded rod, one end of the threaded rod is rotatably connected to the inner wall of the first support rod, the outer surface of the threaded rod is threadedly connected to an auxiliary plate, a soft steel brush is arranged on one side of the auxiliary plate, the bottoms of the two first support rods and the two second support rods are fixedly connected to the same support frame, a conveyor belt is arranged on the top of the support frame, a roller is arranged on the inner wall of the conveyor belt, the two rollers are respectively arranged on both sides of the top of the support frame, a second motor is arranged on one side of the support frame, the output end of the second motor is fixedly connected to one side of one of the rollers, and blocking devices are arranged on both sides of the conveyor belt.
[0007] The effect achieved by the above components is: by arranging a soft steel brush, when it is necessary to clean the mesh of the sand screening cylinder, the threaded rod is rotated, and the threaded rod will drive the soft steel brush connected to the auxiliary plate to move toward the direction of the sand screening cylinder until the bristles of the soft steel brush enter the mesh of the sand screening cylinder. At this time, the first motor is started, and the output end of the first motor will drive the sand screening cylinder to rotate. During the rotation, the soft steel brush will clean the mesh, which can effectively prevent the problem of sand clogging the mesh and reducing the sand screening efficiency.
[0008] Preferably, one end of the threaded rod is fixedly connected to an operating block, and the outer surface of the operating block is evenly and fixedly connected to three protrusions.
[0009] The effect achieved by the above components is: by setting the operating block, rotating the operating block will drive the threaded rod to rotate, and by setting the convex block, the friction force on the outer surface of the operating block can be increased, which has an anti-slip effect.
[0010] Preferably, a round rod is slidably connected to the inner wall of one side of the auxiliary plate, one end of the round rod is fixedly connected to the top of one side of the second support rod, and one end of the round rod is fixedly connected to an anti-dropping block.
[0011] The effect achieved by the above components is: by setting the round rod, the auxiliary plate and the soft steel brush can be limited to prevent the threaded rod from driving the auxiliary plate and the soft steel brush to rotate together during rotation, ensuring that the auxiliary plate can move along the direction of the round rod and the threaded rod.
[0012] Preferably, a bolt is inserted into the inner wall of the auxiliary plate, and the outer surface of the bolt is threadedly inserted into the inner wall of the soft steel brush.
[0013] The effects achieved by the above components are: by setting bolts, the auxiliary plate and the soft steel brush can be fixed, and the soft steel brush can also be easily disassembled and regularly maintained.
[0014] Preferably, the blocking device includes two baffles, one side of the two baffles respectively abuts against the two sides of the conveyor belt, a long plate is fixedly connected to the middle of the bottom of the baffle, two threaded pins are inserted into the inner wall of the long plate, and the two threaded pins are both inserted into the inner wall of the second support rod.
[0015] The effects achieved by the above components are: by setting the baffle, both sides of the conveyor belt are blocked to prevent sand from falling from both sides of the conveyor belt, and by setting the threaded pin, the second support rod and the long board are preliminarily connected.
[0016] Preferably, a limiting cylinder is sleeved on the outer surface of the threaded pin, one end of the limiting cylinder abuts against one side of the long board, and the other end of the limiting cylinder abuts against one side of the second support rod.
[0017] The effect achieved by the above components is: by setting a limiting cylinder, the second support rod and the long board are limited, ensuring that the long board and the baffle maintain a fixed distance from the second support rod in the horizontal direction, and ensuring that one side of the baffle abuts against one side of the conveyor belt.
[0018] Preferably, screw hole blocks are threadedly sleeved on the outer surfaces of both ends of the threaded pin, one side of one of the screw hole blocks abuts against one side of the long plate, and one side of the other screw hole block abuts against one side of the second support rod.
[0019] The effect achieved by the above-mentioned components is: by setting the screw hole blocks, the two screw hole blocks are respectively sleeved on the outer surfaces of the two ends of the threaded pin, and the screw hole blocks are rotated so that one side of the two screw hole blocks respectively abuts against one side of the long board and one side of the second support rod, so as to limit the threaded pin and prevent the threaded pin from detaching from the long board and the second support rod.
[0020] In summary, the beneficial effects of the utility model are:
[0021] By setting a soft steel brush, under the action of the threaded rod, the threaded rod is rotated, and the threaded rod will drive the soft steel brush connected to the auxiliary plate to move toward the direction of the sand screening cylinder until the bristles of the soft steel brush enter the mesh of the sand screening cylinder. Then, during the rotation of the sand screening cylinder, the soft steel brush will automatically clean the mesh, which can effectively prevent the problem of sand clogging the mesh and reducing the sand screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1It is a partial structural schematic diagram of the main body of the utility model.
[0023] Figure 2 It is a partial structural schematic diagram of the sand screening cylinder of the utility model.
[0024] Figure 3 This utility model Figure 2 A is an enlarged structural diagram of FIG.
[0025] Figure 4 This utility model Figure 2 Schematic diagram of the enlarged structure at B.
[0026] Description of reference numerals:
[0027] 1. Sand screening cylinder; 2. Fixed ring; 3. First motor; 4. Rotating shaft; 5. Connecting rod; 6. First supporting rod; 7. Second supporting rod; 8. Cleaning device; 81. Threaded rod; 82. Auxiliary plate; 83. Soft steel brush; 84. Operating block; 85. Bump; 86. Round rod; 87. Anti-slip block; 88. Bolt; 9. Blocking device; 91. Baffle; 92. Long board; 93. Threaded pin; 94. Limiting cylinder; 95. Screw hole block; 10. Support frame; 11. Conveyor belt; 12. Roller; 13. Second motor. DETAILED DESCRIPTION
[0028] Reference Figure 1-Figure 3As shown, the present embodiment discloses a stable sand screening machine, comprising a sand screening drum 1, the outer surfaces of both ends of the sand screening drum 1 are rotatably connected with fixed rings 2, a first motor 3 is arranged on one side of one of the fixed rings 2, the output end of the first motor 3 is fixedly connected with a rotating shaft 4, one end of the rotating shaft 4 is fixedly connected with a connecting rod 5, one side of the connecting rod 5 is fixedly connected to the inner wall of one end of the sand screening drum 1, the outer surfaces of the two fixed rings 2 are symmetrically fixedly connected with a first support rod 6 and a second support rod 7, one side of one of the first support rods 6 and one of the second support rods 7 is provided with a cleaning device 8, the cleaning device 8 comprises a threaded rod 81, one end of the threaded rod 81 is rotatably connected to the inner wall of the first support rod 6, an auxiliary plate 82 is threadedly connected to the outer surface of the threaded rod 81, a soft steel brush 83 is arranged on one side of the auxiliary plate 82, the bottoms of the two first support rods 6 and the two second support rods 7 are fixedly connected with the same support frame 10, a conveyor belt 11 is arranged on the top of the support frame 10, and the inner wall of the conveyor belt 11 A roller 12 is provided, and the two rollers 12 are respectively arranged on both sides of the top of the support frame 10. A second motor 13 is provided on one side of the support frame 10. The output end of the second motor 13 is fixedly connected to one side of one of the rollers 12. Blocking devices 9 are provided on both sides of the conveyor belt 11. By arranging a soft steel brush 83, when it is necessary to clean the mesh of the sand screening cylinder 1, the threaded rod 81 is rotated, and the threaded rod 81 will drive the soft steel brush 83 connected to the auxiliary plate 82 to move in the direction of the sand screening cylinder 1 until the bristles of the soft steel brush 83 enter the mesh of the sand screening cylinder 1. At this time, the first motor 3 is started, and the output end of the first motor 3 will drive the sand screening cylinder 1 to rotate. During the rotation, the soft steel brush 83 will clean the mesh, which can effectively prevent the problem of sand clogging the mesh and reducing the sand screening efficiency. By arranging the first support rod 6, the second support rod 7 and the support frame 10, the transmission structure and the sand screening structure are effectively connected and supported, so that the overall device is more stable during operation.
[0029] Reference Figure 2 and Figure 3 As shown, in the present embodiment: one end of the threaded rod 81 is fixedly connected with an operating block 84, and the outer surface of the operating block 84 is evenly fixedly connected with three protrusions 85. By setting the operating block 84, rotating the operating block 84 will drive the threaded rod 81 to rotate. At the same time, by setting the protrusions 85, the friction force on the outer surface of the operating block 84 can be increased, which has an anti-slip effect. A round rod 86 is slidably connected to the inner wall of one side of the auxiliary plate 82, and one end of the round rod 86 is fixedly connected to the top of one side of the second support rod 7. An anti-slip block 87 is fixedly connected to one end of the round rod 86. By setting the round rod 86, the auxiliary plate 82 and the soft steel brush 83 can be limited to prevent the threaded rod 81 from driving the auxiliary plate 82 and the soft steel brush 83 to rotate together during the rotation process, thereby ensuring that the auxiliary plate 82 can move along the direction of the round rod 86 and the threaded rod 81.
[0030] Reference Figure 2 and Figure 3 As shown, in this embodiment: a bolt 88 is inserted into the inner wall of the auxiliary plate 82, and the outer surface of the bolt 88 is threadedly inserted into the inner wall of the soft steel brush 83. By setting the bolt 88, the auxiliary plate 82 and the soft steel brush 83 can be fixed, and the soft steel brush 83 can also be disassembled and regularly maintained.
[0031] Reference Figure 2 and Figure 4 As shown, in this embodiment: the blocking device 9 includes two baffles 91, one side of the two baffles 91 is respectively abutted against the two sides of the conveyor belt 11, and a long plate 92 is fixedly connected to the middle of the bottom of the baffle 91, and two threaded pins 93 are inserted into the inner wall of the long plate 92. The two threaded pins 93 are inserted into the inner wall of the second support rod 7. By setting the baffles 91, the two sides of the conveyor belt 11 are blocked to prevent sand from falling from the two sides of the conveyor belt 11. By setting the threaded pins 93, the second support rod 7 and the long plate 92 are preliminarily connected.
[0032] Reference Figure 2 and Figure 4 As shown, in this embodiment: the outer surface of the threaded pin 93 is sleeved with a limiting cylinder 94, one end of the limiting cylinder 94 abuts against one side of the long plate 92, and the other end of the limiting cylinder 94 abuts against one side of the second support rod 7. By setting the limiting cylinder 94, the second support rod 7 and the long plate 92 are limited to ensure that the long plate 92 and the baffle 91 maintain a fixed distance from the second support rod 7 in the horizontal direction, and ensure that one side of the baffle 91 abuts against one side of the conveyor belt 11. The outer surfaces of both ends of the threaded pin 93 are threaded A screw hole block 95 is provided, one side of which is in contact with one side of the long plate 92, and one side of the other screw hole block 95 is in contact with one side of the second support rod 7. By setting the screw hole block 95, the two screw hole blocks 95 are respectively sleeved on the outer surfaces of the two ends of the threaded pin 93, and the screw hole block 95 is rotated so that one side of the two screw hole blocks 95 is respectively in contact with one side of the long plate 92 and one side of the second support rod 7, so that the threaded pin 93 can be limited to prevent the threaded pin 93 from detaching from the long plate 92 and the second support rod 7.
[0033] The working principle is: when sand screening operation is required, the first motor 3 and the second motor 13 are started, the output end of the first motor 3 drives the rotating shaft 4 to rotate, and the rotating shaft 4 drives the sand screening drum 1 connected to the connecting rod 5 to rotate, and the sand screening drum 1 will screen the sand in the sand screening drum 1 during the rotation, and the qualified sand falls onto the conveyor belt 11 through the sand screening drum 1. Under the action of the second motor 13, the output end of the second motor 13 drives the roller 12 to rotate, and the roller 12 drives the conveyor belt 11 to move. During the movement, the conveyor belt 11 will be limited and will transport the sand from a low place to a high place, and will fall from a high place and rotate from one side of the conveyor belt 11. When the mesh of the sand screening drum 1 needs to be cleaned, the operating block 84 is rotated to drive the threaded rod 81 to rotate. Under the limiting action of the round rod 86, the threaded rod 81 rotates. During the process, the soft steel brush 83 connected to the auxiliary plate 82 will be driven to move in the direction of the sand screening cylinder 1 until the bristles of the soft steel brush 83 enter the mesh of the sand screening cylinder 1. At this time, the first motor 3 is started, and the output end of the first motor 3 will drive the sand screening cylinder 1 to rotate. During the rotation, the soft steel brush 83 will clean the mesh. When the baffle 91 needs to be installed, the baffle 91 is placed on one side of the conveyor belt 11, and the limiting cylinder 94 is placed between the second support rod 7 and the long plate 92. The threaded pin 93 is inserted into the second support rod 7, the limiting cylinder 94 and the inner wall of the long plate 92 at the same time. Finally, the two screw hole blocks 95 are respectively sleeved on the outer surfaces of the two ends of the threaded pin 93, and the screw hole blocks 95 are rotated so that one side of the two screw hole blocks 95 respectively abuts against one side of the long plate 92 and one side of the second support rod 7 to complete the fixation.
Claims
1. A stable sand screening machine, comprising a sand screening cylinder (1), characterized in that: The outer surfaces of both ends of the sand screening cylinder (1) are rotatably connected to fixed rings (2), one side of one of the fixed rings (2) is provided with a first motor (3), the output end of the first motor (3) is fixedly connected to a rotating shaft (4), one end of the rotating shaft (4) is fixedly connected to a connecting rod (5), one side of the connecting rod (5) is fixedly connected to the inner wall of one end of the sand screening cylinder (1), and the outer surfaces of the two fixed rings (2) are symmetrically fixedly connected to a first support rod (6) and a second support rod (7), one side of one of the first support rod (6) and one of the second support rods (7) A cleaning device (8) is provided, the cleaning device (8) comprising a threaded rod (81), one end of the threaded rod (81) being rotatably connected to the inner wall of the first support rod (6), the outer surface of the threaded rod (81) being threadedly connected to an auxiliary plate (82), one side of the auxiliary plate (82) being provided with a soft steel brush (83), the bottoms of the two first support rods (6) and the two second support rods (7) being fixedly connected to the same support frame (10), the top of the support frame (10) being provided with a conveyor belt (11), the inner wall of the conveyor belt (11) being provided with a roller (12) , the two rollers (12) are respectively arranged on both sides of the top of the support frame (10), a second motor (13) is arranged on one side of the support frame (10), the output end of the second motor (13) is fixedly connected to one side of one of the rollers (12), and blocking devices (9) are arranged on both sides of the conveyor belt (11); a round rod (86) is slidably connected to the inner wall of one side of the auxiliary plate (82), one end of the round rod (86) is fixedly connected to the top of one side of the second support rod (7), and one end of the round rod (86) is fixedly connected to an anti-slip block (87); the blocking device (9) comprises two baffles (91), one side of the two baffles (91) respectively abuts against the two sides of the conveyor belt (11), a long plate (92) is fixedly connected to the middle of the bottom of the baffle (91), two threaded pins (93) are inserted into the inner wall of the long plate (92), and the two threaded pins (93) are both inserted into the inner wall of the second support rod (7); a limiting cylinder (94) is sleeved on the outer surface of the threaded pin (93), one end of the limiting cylinder (94) abuts against one side of the long plate (92), and the other end of the limiting cylinder (94) abuts against one side of the second support rod (7).
2. A stable sand screening machine according to claim 1, characterized in that: One end of the threaded rod (81) is fixedly connected to an operating block (84), and the outer surface of the operating block (84) is evenly and fixedly connected to three protrusions (85).
3. A stable sand screening machine according to claim 2, characterized in that: A bolt (88) is inserted into the inner wall of the auxiliary plate (82), and the outer surface of the bolt (88) is threadedly inserted into the inner wall of the soft steel brush (83).
4. A stable sand screening machine according to claim 3, characterized in that: The outer surfaces of both ends of the threaded pin (93) are threadedly sleeved with screw hole blocks (95), one side of one of the screw hole blocks (95) abuts against one side of the long plate (92), and one side of the other screw hole block (95) abuts against one side of the second support rod (7).