Uniform feeder for a vibrating feeder

Abstract

The utility model relates to ore screening technical field, and disclose a kind of uniform feeding device of vibrating ore feeder, including two main longitudinal beams, four main cross beams are fixedly connected between two main longitudinal beams, the upper surface of two main longitudinal beams is fixedly connected with track, the outer surface of two tracks is slidably connected with same screening base, the sidewall of screening base is sleeved with sieve bottom, the sidewall of sieve bottom is sleeved with five millimeter sieve.The utility model is by turning handle, bevel gear, screw and two-stage pillar composition's lifting adjustment structure, when there is height difference when site ground, staff only needs to rotate handle to drive rotating rod and first bevel gear rotation, bevel gear meshing transmission promotes screw rotation, and then drive two-stage pillar to slide along the inner wall of primary support up and down, quickly the whole device is adjusted to horizontal state, avoid the problem that ore deviates, material leaks in screening process due to uneven ground.

Description

Technical Field

[0001] This utility model relates to the field of ore screening technology, and in particular to a uniform feeding device for a vibrating feeder. Background Technology

[0002] In earth-rock dam construction projects, the particle size distribution of ore needs to be verified through on-site screening tests to ensure it meets design requirements. Screening is a core aspect of ensuring project quality. With technological advancements, electric motor-driven ore screening machines have emerged. These machines use variable-speed motors, crankshafts, connecting rods, and other power structures to drive the reciprocating motion of the screen, replacing traditional manual shaking screens. This reduces manpower consumption and screening time to some extent, solving the problems of low efficiency and high physical exertion in manual screening and promoting the mechanization of screening operations.

[0003] However, existing motor-driven screening machines are still difficult to adapt to the complex ground environment of construction sites, and have obvious limitations in practical applications: On the one hand, the ground at construction sites often has height differences, and existing equipment lacks a flexible leveling structure. It can only rely on manual leveling of the work area or the placement of debris to adjust the level of the equipment. The operation is cumbersome and it is difficult to ensure the adjustment accuracy. This can easily lead to the equipment tilting, which in turn causes the ore to shift during the screening process and leak out from the gaps between the screen layers. This not only wastes materials but also leads to deviations in screening data, affecting the accuracy of particle size distribution judgment. On the other hand, the motor-driven screening makes the device, which is only supported by casters, prone to instability due to vibration. This can cause the equipment to shift, further interfering with the stability and continuity of the screening operation. It cannot give full play to the high efficiency advantage of motor-driven screening and cannot meet the actual needs of earth-rock dam filling projects for the accuracy and stability of on-site screening operations. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a vibrating feeder uniform feeding device to solve the problems mentioned in the background section.

[0005] This utility model provides the following technical solution: a vibrating feeder uniform feeding device, comprising two main longitudinal beams, four main transverse beams fixedly connected between the two main longitudinal beams, rails fixedly connected to the upper surfaces of the two main longitudinal beams, and a common screening base slidably connected to the outer surfaces of the two rails. A screen bottom is fitted onto the sidewall of the screening base, a 5mm screen is fitted onto the sidewall of the screen bottom, a 10mm screen is fitted onto the sidewall of the 5mm screen, a 20mm screen is fitted onto the sidewall of the 10mm screen, a 40mm screen is fitted onto the sidewall of the 20mm screen, and a 60mm screen is fitted onto the sidewall of the 40mm screen. Two motor transverse beams are fixedly connected to the upper surfaces of the two main transverse beams on the left side. A variable speed motor is fixedly mounted on the surface. The output shaft of the variable speed motor is sleeved with a connecting plate. A crankshaft connecting rod is movably hinged to the rear surface of the connecting plate. Two L-shaped rods are movably hinged to the end of the crankshaft connecting rod away from the connecting plate. The lower ends of the L-shaped rods are fixedly connected to the side wall of the screening base. A control box is set behind the connecting plate. A tie rod is fixedly connected to the left side wall of the leftmost main crossbeam. Two primary supports are fixedly connected to the lower surface of each main longitudinal beam. Secondary supports are slidably connected to the inner wall of each primary support. A caster wheel is fixedly connected to the lower surface of each secondary support. A lifting device is set inside each primary support. A stabilizing device is set on the side wall of each primary support.

[0006] Preferably, each of the lifting devices includes a rotating rod, one end of which is rotatably connected to the side wall of the primary support column, the other end of which passes through the primary support column and is located outside the primary support column, a throttle handle is fixedly connected to the end of each rotating rod located outside the primary support column, and a first bevel gear is fixedly connected to the outer surface of the portion of each rotating rod located inside the primary support column.

[0007] Preferably, each of the lifting devices includes a support plate, each support plate is fixedly connected to the inner wall of the primary support column, each support plate has a second bevel gear on its upper surface, the outer edge of the second bevel gear meshes with the outer edge of the first bevel gear, each second bevel gear has a screw fixedly connected to its inner wall, and the portion of each screw located below the support plate is threadedly connected to the secondary support column.

[0008] Preferably, each stabilizing device includes multiple spline holes, which are formed on the side wall of the primary support. Each uppermost spline hole is provided with a spline wheel, which matches the spline hole. The end of each spline wheel away from the inner cavity of the primary support is fixedly connected to a connecting post, the diameter of which is smaller than the diameter of the spline wheel.

[0009] Preferably, each stabilizing device includes a limiting plate, which is fixedly connected to the side wall of the primary support column. Each limiting plate has a sliding groove on its side wall, the width of which is the same as the diameter of the connecting column. The end of each connecting column away from the spline wheel is located outside the limiting plate, and a support plate is fixedly connected to the outer surface of the portion of each connecting column outside the limiting plate.

[0010] Preferably, the lower surface of the screw is flush with the lower surface of the primary support column, and the lower surface of the support plate forms a 20-degree angle with the horizontal plane.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. This utility model uses a lifting and adjusting structure composed of a throttle, bevel gear, screw, and secondary support column. When there is a height difference on the construction site, the worker only needs to turn the throttle to drive the rotating rod and the first bevel gear to rotate. The bevel gear meshing transmission causes the screw to rotate, which in turn drives the secondary support column to slide up and down along the inner wall of the first support column, quickly adjusting the entire device to a horizontal state and avoiding the problem of ore displacement and material leakage during the screening process due to uneven ground.

[0012] 2. This utility model is adaptable to construction site grounds of different hardness: When the ground is hard, the connecting column can be rotated to make the lower surface of the support plate flush with the ground. After the connecting column is moved down until the support plate contacts the ground, it is locked by the spline wheel and spline hole, which increases the contact area between the device and the ground to improve stability. When the ground is relatively soft, the tip of the support plate can be made to face the ground and move down into the ground to form an "anchoring" effect to prevent the device from shifting due to screening vibration. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a frontal cross-sectional view of the present invention. Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 This is a schematic diagram of the left-side cross-sectional structure of this utility model; Figure 5 This utility model Figure 4 Enlarged structural diagram at point B.

[0014] In the diagram: 1. Main longitudinal beam; 2. Main cross beam; 3. Track; 4. Screening base; 5. Screen bottom; 6. 5mm screen; 7. 10mm screen; 8. 20mm screen; 9. 40mm screen; 10. 60mm screen; 11. Motor cross beam; 12. Variable speed motor; 13. Connecting plate; 14. Crankshaft connecting rod; 15. Control box; 16. Tie rod; 17. Primary support column; 18. Secondary support column; 19. Caster wheel; 20. Rotating rod; 21. Thruster; 22. First bevel gear; 23. Support plate; 24. Second bevel gear; 25. Screw; 26. Spline hole; 27. Spline wheel; 28. Connecting column; 29. ​​Limiting plate; 30. Slide groove; 31. Support plate. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figures 1-5 A vibrating feeder uniform feeding device includes two main longitudinal beams 1, four main cross beams 2 fixedly connected between the two main longitudinal beams 1, and rails 3 fixedly connected to the upper surfaces of the two main longitudinal beams 1. A screening base 4 is slidably connected to the outer surfaces of the two rails 3. A screen bottom 5 is sleeved on the side wall of the screening base 4, a 5mm screen 6 is sleeved on the side wall of the screen bottom 5, a 10mm screen 7 is sleeved on the side wall of the 5mm screen 6, a 20mm screen 8 is sleeved on the side wall of the 10mm screen 7, a 40mm screen 9 is sleeved on the side wall of the 20mm screen 8, and a 60mm screen 10 is sleeved on the side wall of the 40mm screen 9. Two motor cross beams 11 are fixedly connected to the upper surfaces of the two main cross beams 2 on the left side, and variable speed motors 12 are fixedly installed on the upper surfaces of the two motor cross beams 11. The output shaft of the variable speed motor 12 is sleeved with a connecting plate 13. A crankshaft connecting rod 14 is movably hinged to the rear surface of the connecting plate 13. Two L-shaped rods are movably hinged to the end of the crankshaft connecting rod 14 away from the connecting plate 13. The lower end of the L-shaped rods is fixedly connected to the side wall of the screening base 4. A control box 15 is set behind the connecting plate 13. A tie rod 16 is fixedly connected to the left side wall of the leftmost main crossbeam 2. Two primary support columns 17 are fixedly connected to the lower surface of each main longitudinal beam 1. Secondary support columns 18 are slidably connected to the inner wall of each primary support column 17. A caster wheel 19 is fixedly connected to the lower surface of each secondary support column 18. A lifting device is set inside each primary support column 17. A stabilizing device is set on the side wall of each primary support column 17.

[0017] Furthermore, each lifting device includes a rotating rod 20. One end of each rotating rod 20 is rotatably connected to the side wall of the primary support column 17, and the other end of each rotating rod 20 passes through the primary support column 17 and is located outside the primary support column 17. A handle 21 is fixedly connected to the end of each rotating rod 20 located outside the primary support column 17. A first bevel gear 22 is fixedly connected to the outer surface of the portion of each rotating rod 20 located inside the primary support column 17. Through the linkage design between the handle 21 and the rotating rod 20, the operator does not need to use additional tools and only needs to manually rotate the handle 21 to drive the first bevel gear 22 inside the primary support column 17 to rotate, which is convenient and labor-saving.

[0018] Furthermore, each lifting device includes a support plate 23, which is fixedly connected to the inner wall of the primary support column 17. A second bevel gear 24 is provided on the upper surface of each support plate 23. The outer edge of the second bevel gear 24 meshes with the outer edge of the first bevel gear 22. A screw 25 is fixedly connected to the inner wall of each second bevel gear 24. The portion of each screw 25 located below the support plate 23 is threadedly connected to the secondary support column 18. The threaded connection between the screw 25 and the secondary support column 18 converts the rotational motion of the bevel gear into the linear lifting motion of the secondary support column 18, which can accurately adapt to the height difference of the construction site and enable the device to quickly reach a horizontal state.

[0019] Furthermore, each stabilizing device includes multiple spline holes 26, which are formed on the side wall of the primary support column 17. Each uppermost spline hole 26 is equipped with a spline wheel 27, which matches the spline hole 26. Each spline wheel 27 is fixedly connected to a connecting column 28 at the end away from the inner cavity of the primary support column 17. The diameter of the connecting column 28 is smaller than the diameter of the spline wheel 27. When the spline wheel 27 meshes with the spline hole 26, it can withstand a greater lateral force, effectively limiting the sliding of the secondary support column 18 after lifting and lowering, and preventing the support column from shifting due to screening vibration.

[0020] Furthermore, each stabilizing device includes a limiting plate 29, which is fixedly connected to the side wall of the primary support column 17. Each limiting plate 29 has a groove 30 on its side wall, the width of which is the same as the diameter of the connecting column 28. The end of each connecting column 28 away from the spline wheel 27 is located outside the limiting plate 29. A support plate 31 is fixedly connected to the outer surface of the portion of each connecting column 28 outside the limiting plate 29. By pulling the connecting column 28 outward, the spline wheel 27 can be disengaged from the spline hole 26, allowing the support plate 31 to rotate and shift to adapt to different ground hardness and provide support for the entire device, greatly improving the stability of the device in diverse ground environments on the construction site.

[0021] Furthermore, the lower surface of the screw 25 is flush with the lower surface of the primary support 17, and the lower surface of the support plate 31 forms a 20-degree angle with the horizontal plane. When the ground is soft, the tip can be inserted into the ground more easily to form an "anchor" and enhance the resistance to displacement. When the ground is hard, the inclined surface can disperse the pressure by contacting the ground and ensure the stability of the device.

[0022] Working Principle: When ore screening is required at an earth-rock dam construction site, the worker first holds the pull rod 16 and moves the device to the designated screening area using the casters 19. If there is a height difference on the ground, the throttle 21 is turned, causing the rotating rod 20 to rotate within the side wall of the primary support 17. The rotating rod 20 simultaneously drives the first bevel gear 22 to rotate, and the second bevel gear 24 rotates accordingly, driving the screw 25 fixed on the inner wall to rotate synchronously. When the screw 25 rotates, it drives the secondary support 18 to slide up and down along the inner wall of the primary support 17 until the entire device is in a horizontal state. Then, according to the actual height of the device, the connecting column 28 is pulled outward, causing the spline wheel 27 to disengage from the spline hole 26, making it movable. If the ground is hard, the connecting column 28 is rotated to make the support plate 3... The lower surface of 1 is flush with the ground. Then, the connecting column 28 is moved downward until the support plate 31 contacts the ground. Then, the connecting column 28 is pushed back in the opposite direction so that the spline wheel 27 engages with the spline hole 26, increasing the contact area between the entire device and the ground and increasing stability. If the ground is soft, the tip of the support plate 31 is oriented towards the ground and then moved downward so that it penetrates deep into the ground to avoid displacement caused by screening vibration. Then, the screening structure is assembled. After weighing the ore to be screened, it is poured into the uppermost 60 mm screen 10 at once. The control box 15 behind the connecting plate 13 is opened, and the variable speed motor 12 is started. The motor speed is adjusted through the control box 15 to adapt to the screening requirements. After screening is completed, the variable speed motor 12 is turned off. Each layer of screen is removed in turn and the residual mass is weighed to complete a single screening. If continuous operation is required, the above operation can be repeated.

[0023] The foregoing description enables those skilled in the art to implement or use this invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this invention. Therefore, this invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vibrating feeder uniform feeding device, comprising two main longitudinal beams (1), characterized in that, Four main crossbeams (2) are fixedly connected between the two main longitudinal beams (1). Tracks (3) are fixedly connected to the upper surfaces of the two main longitudinal beams (1). The same screening base (4) is slidably connected to the outer surfaces of the two tracks (3). A screen bottom (5) is sleeved on the side wall of the screening base (4). A five-millimeter screen (6) is sleeved on the side wall of the screen bottom (5). A ten-millimeter screen (7) is sleeved on the side wall of the five-millimeter screen (6). A twenty-millimeter screen (8) is sleeved on the side wall of the ten-millimeter screen (7). A forty-millimeter screen (9) is sleeved on the side wall of the twenty-millimeter screen (8). A sixty-millimeter screen (10) is sleeved on the side wall of the forty-millimeter screen (9). Two motor crossbeams (11) are fixedly connected to the upper surfaces of the two main crossbeams (2) on the left side. A variable speed motor (12) is fixedly installed on the upper surfaces of the two motor crossbeams (11). 2) The output shaft is sleeved with a connecting plate (13). The rear surface of the connecting plate (13) is movably hinged with a crankshaft connecting rod (14). The end of the crankshaft connecting rod (14) away from the connecting plate (13) is movably hinged with two L-shaped rods. The lower end of the L-shaped rod is fixedly connected to the side wall of the screening base (4). A control box (15) is provided behind the connecting plate (13). A tie rod (16) is fixedly connected to the left side wall of the leftmost main crossbeam (2). Two primary pillars (17) are fixedly connected to the lower surface of each main longitudinal beam (1). A secondary pillar (18) is slidably connected to the inner wall of each primary pillar (17). A caster wheel (19) is fixedly connected to the lower surface of each secondary pillar (18). A lifting device is provided inside each primary pillar (17). A stabilizing device is provided on the side wall of each primary pillar (17).

2. The uniform feeding device for a vibrating feeder according to claim 1, characterized in that, Each of the lifting devices includes a rotating rod (20), one end of which is rotatably connected to the side wall of the primary support (17), the other end of which passes through the primary support (17) and is located outside the primary support (17), a throttle handle (21) is fixedly connected to the end of each rotating rod (20) located outside the primary support (17), and a first bevel gear (22) is fixedly connected to the outer surface of the portion of each rotating rod (20) located inside the primary support (17).

3. The uniform feeding device for a vibrating feeder according to claim 2, characterized in that, Each of the lifting devices includes a support plate (23), each support plate (23) is fixedly connected to the inner wall of the primary support column (17), each support plate (23) is provided with a second bevel gear (24) on its upper surface, the outer edge of the second bevel gear (24) meshes with the outer edge of the first bevel gear (22), each second bevel gear (24) is fixedly connected to the inner wall of the inner wall of the inner wall of the second bevel gear (24), and the portion of each screw (25) located below the support plate (23) is threadedly connected to the secondary support column (18).

4. The uniform feeding device for a vibrating feeder according to claim 3, characterized in that, Each stabilizing device includes multiple spline holes (26) on the side wall of the primary support (17). Each uppermost spline hole (26) is equipped with a spline wheel (27), which matches the spline hole (26). Each spline wheel (27) is fixedly connected to a connecting post (28) at the end away from the inner cavity of the primary support (17). The diameter of the connecting post (28) is smaller than the diameter of the spline wheel (27).

5. The uniform feeding device for a vibrating feeder according to claim 4, characterized in that, Each stabilizing device includes a limiting plate (29), which is fixedly connected to the side wall of the primary support (17). Each limiting plate (29) has a groove (30) on its side wall. The width of the groove (30) is the same as the diameter of the connecting column (28). The end of each connecting column (28) away from the spline wheel (27) is located outside the limiting plate (29). A support plate (31) is fixedly connected to the outer surface of the part of each connecting column (28) outside the limiting plate (29).

6. The uniform feeding device for a vibrating feeder according to claim 5, characterized in that, The lower surface of the screw (25) is flush with the lower surface of the primary support (17), and the lower surface of the support plate (31) forms a 20-degree angle with the horizontal plane.

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