High-efficiency screening machine for crushing materials

Abstract

The application relates to the technical field of soil screening, and particularly relates to a high-efficiency screening machine for crushing materials, which comprises a base, a support arranged on the base, a feeding system, a feeding conveying belt arranged on one side of the base, a receiving hopper arranged below the top of the feeding conveying belt, a crushing system, a shell arranged above the base, an upper end of the shell being provided with an upper cover, a motor being installed at the middle position of the upper cover, an output end of the motor being connected with a rotating shaft, rotating blades for crushing being arranged on the rotating shaft, a rotating seat being connected with the lower end of the rotating shaft, crushing teeth being arranged on the outer side of the rotating seat, a mounting disc being connected with the lower end of the rotating seat, and crushing teeth being arranged on the bottom surface of the mounting disc, and a screening system, the screening system comprising a rotating cylinder arranged on the outer side of the rotating blades, the advantage being that the high-efficiency screening machine for crushing materials can not only realize the crushing and screening of soil, but also has high working efficiency, complete screening and high safety.

Description

Technical Field

[0001] This invention relates to the technical field of soil screening, and specifically to a high-efficiency screening machine for crushed materials. Background Technology

[0002] In tomato cultivation, seedlings are typically raised in seedling trays containing treated soil. This soil sieving process ensures the quality of the tomato seedlings and reduces the risk of seedling survival due to changes in the soil during transplanting. The soil sieving process removes stones and separates the soil components. While some soil sieving machines exist, they often fail to achieve thorough sieving, leaving stones mixed in and hindering efficient separation.

[0003] A patent publication number CN119237278B was found, entitled "A Soil Screening Machine for Tomato Seedlings," which specifically discloses a soil screening machine for tomato seedlings. The machine is characterized by comprising a disc base, a screening mechanism, and a striking mechanism. The screening mechanism includes a first inclined support rod and a second inclined support rod mounted on the disc base. The first inclined support rod extends away from the center of the disc base and has a first fixing ring. A screening suspension rope is attached to the side of the first fixing ring, and a counterweight ball is connected to the free end of the rope. The second inclined support rod extends obliquely towards the center of the disc base and has a second fixing ring at its end. A conical guide barrel is located in the middle of the second fixing ring, through which the screening suspension rope passes. The first fixing ring is higher than the second fixing ring, and the diameter of the first fixing ring is larger than the diameter of the second fixing ring. The inner wall of the second fixing ring is arc-shaped, and the inner ring of the second fixing ring is provided with... A connecting crossbar is fixedly connected to the conical guide bucket. The center lines of the first fixing ring, the second fixing ring, and the conical guide bucket are collinear. The end of the conical guide bucket is higher than the second fixing ring, and the diameter of the upper end of the conical guide bucket is larger than the inner diameter of the second fixing ring. A discharge pipe is provided at the lower end of the conical guide bucket. The screening ropes form a funnel-shaped structure with a large opening at the top. The spacing between the upper screening ropes is larger, and the spacing between the lower screening ropes is smaller. The striking mechanism includes a diagonal support rod set on the side of the disc seat. An extension beam is set above the diagonal support rod. A rotating shaft is rotatably connected to the end of the extension beam. A striking blade is set on the outside of the rotating shaft. Striking blades are set at different heights of the rotating shaft. The striking blades have an arc-shaped structure, and the middle of the striking blades protrudes in the direction of rotation of the rotating shaft. By designing the rotating striking blades, stones mixed in the soil are knocked away, achieving the soil screening effect. In addition, during the screening process, the striking blades also break up the clumps of soil, which is convenient for subsequent planting of tomato seedlings in the soil.

[0004] Analysis of the publicly available materials shows that soil sieving can be achieved, but the sieving is incomplete, inefficient, and can easily cause injury to operators. Summary of the Invention

[0005] In view of this, the present invention provides a high-efficiency screening machine for crushed materials, which can not only crush and screen soil, but also has high working efficiency, thorough screening and high safety.

[0006] To address the aforementioned technical problems, this invention provides a high-efficiency screening machine for crushed materials, comprising a base, a support frame mounted on the base, and further comprising...

[0007] The feeding system includes a feeding conveyor belt disposed on one side of the base, and a receiving hopper disposed below the top of the feeding conveyor belt;

[0008] The crushing system includes a housing disposed above a base, a top cover disposed at the upper end of the housing, a motor mounted at the middle of the top cover, a rotating shaft connected to the output end of the motor, rotating blades for crushing disposed on the rotating shaft, a rotating seat connected to the lower end of the rotating shaft, crushing teeth disposed on the outer side of the rotating seat, a mounting plate connected to the lower end of the rotating seat, and crushing teeth disposed on the bottom surface of the mounting plate;

[0009] A screening system, the screening system including a rotating cylinder disposed on the outside of rotating blades, the rotating cylinder being provided with a through hole, and a conical plate being provided on the inner side of the rotating cylinder;

[0010] The conical plate is disposed on the outside of the rotating seat, and a material dropping ring is provided between the conical plate and the rotating seat. The material dropping ring has a through hole structure.

[0011] The material feeding system includes a material feeding plate disposed on the outer side of the rotating cylinder and a housing disposed on the outer side of the rotating cylinder. The housing is fixedly connected to a bracket. The bottom surface of the material feeding plate is flush with the inner bottom surface of the housing for feeding soil inside the housing. The material feeding system also includes material feeding teeth disposed on the outer side of the mounting plate, and the material feeding teeth are provided with tooth slots.

[0012] The material discharge system includes a soil discharge port and a stone discharge port located at the bottom of the housing. A soil conveyor belt is located below the soil discharge port, and a stone conveyor belt is located below the stone discharge port.

[0013] Furthermore, the receiving hopper is an inverted conical structure with its lower end connected to and passing through the upper cover. The receiving hopper is located on one side of the motor, and the feeding conveyor belt is equipped with raised rubber strips for limiting soil spillage.

[0014] Furthermore, a bearing is provided in the middle of the upper cover, the motor is fixed on the upper cover, and the output end of the motor is connected to a rotating shaft. The rotating shaft passes through the bearing and extends into the rotating cylinder. The rotating cylinder is fixedly connected to the rotating shaft, and the rotating shaft drives the rotating cylinder to rotate together.

[0015] Furthermore, the rotating blades are arc-shaped and arranged in layers along the rotation axis, with four rotating blades in each layer. The outer side of the rotating blades is designed as a blade to crush falling clumps of soil.

[0016] Furthermore, the lower end of the rotating shaft is connected to a rotating seat, which is disc-shaped. Crushing teeth are fixedly provided on the outer side of the rotating seat. The crushing teeth are L-shaped and have blades on their outer side. There are several crushing teeth, which are evenly distributed on the outer side of the rotating seat.

[0017] Furthermore, the conical plate is provided with a through hole, the upper end face of the conical plate is fixedly connected to the inner side of the rotating cylinder, and the lower end face is provided on the outer side of the crushing teeth, with a gap between it and the crushing teeth.

[0018] Furthermore, the material drop ring is a gap formed between the conical plate and the rotating seat, and crushing teeth are provided in this gap.

[0019] Furthermore, the material feeding plate is located above the bottom of the shell, and the soil discharge port penetrates through the bottom of the shell and is connected to the shell. By rotating the material feeding plate, the screened soil is fed to the soil discharge port.

[0020] Furthermore, the material-dispensing teeth have an arc-shaped structure for dispensing stones. There are tooth gaps at the lower part of the material-dispensing teeth, through which soil is thrown out, and the stones are dispensing into the stone discharge port after being pushed below the mounting plate.

[0021] Furthermore, a connecting rod is provided at the lower end of the rotating seat, and the mounting plate is connected to the mounting plate through the connecting rod. The lower end face of the mounting plate is provided with breaking teeth.

[0022] The beneficial effects of the above-described technical solution of the present invention are as follows:

[0023] 1. It can crush and screen soil. Soil can be crushed by rotating blades, crushing teeth and pulverizing teeth, and soil can be screened by rotating cylinder with through holes and conical plate.

[0024] 2. High working efficiency, thorough screening and high safety. Through three crushing processes, the soil can be fully crushed and screened. Attached Figure Description

[0025] The above and other objects, features, and advantages of exemplary embodiments of the present invention will become readily apparent upon reading the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of the invention are illustrated by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein:

[0026] Figure 1 This is a schematic diagram of the structure of the present invention;

[0027] Figure 2 for Figure 1 Axonometric drawing;

[0028] Figure 3 A schematic diagram of the structure of the motor, top cover, and rotating cylinder;

[0029] Figure 4 for Figure 3 A structural diagram excluding the material feeding plate, support base, and stone drop outlet;

[0030] Figure 5 This is a schematic diagram of the internal structure of the rotating cylinder;

[0031] Figure 6 for Figure 5 A structural diagram from another perspective;

[0032] In the diagram: 1. Base; 2. Support; 3. Shell; 4. Soil discharge port; 5. Stone discharge port; 6. Soil conveyor belt; 7. Stone conveyor belt; 8. Feeding conveyor belt; 9. Receiving hopper; 10. Motor; 11. Top cover; 12. Bearing; 13. Rotating cylinder; 14. Feeding plate; 15. Support base; 16. Conical plate; 17. Rotating seat; 18. Discharge ring; 19. Connecting rod; 20. Crushing teeth; 21. Rotating shaft; 22. Rotating blades; 23. Crushing teeth; 24. Feeding teeth; 25. Tooth gap; 26. Mounting plate. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0034] like Figure 1-6 As shown:

[0035] A high-efficiency screening machine for crushed materials includes a base 1, a support 2 mounted on the base 1, a feeding system including a feeding conveyor belt 8 mounted on one side of the base 1, and a receiving hopper 9 mounted below the top of the feeding conveyor belt 8; a crushing system including a housing 3 mounted above the base 1, a top cover 11 mounted on the upper end of the housing 3, a motor 10 mounted in the middle of the top cover 11, a rotating shaft 21 connected to the output end of the motor 10, rotating blades 22 mounted on the rotating shaft 21, a rotating seat 17 connected to the lower end of the rotating shaft 21, crushing teeth 20 mounted on the outer side of the rotating seat 17, a mounting plate 26 connected to the lower end of the rotating seat 17, and crushing teeth 23 mounted on the bottom surface of the mounting plate 26; and a screening system including a rotating cylinder 13 mounted outside the rotating blades 22. A through hole is provided on the rotating cylinder 13, and a conical plate 16 is provided on the inner side of the rotating cylinder 13; the conical plate 16 is provided on the outer side of the rotating seat 17, and a material dropping ring 18 is provided between the conical plate 16 and the rotating seat 17, the material dropping ring 18 having a through hole structure; a material feeding system, the material feeding system includes a material feeding plate 14 provided on the outer side of the rotating cylinder 13, and a housing 3 provided on the outer side of the rotating cylinder 13, the housing 3 being fixedly connected to the bracket 2, the bottom surface of the material feeding plate 14 being flush with the inner bottom surface of the housing 3, for discharging soil inside the housing 3, the material feeding system also includes material feeding teeth 24 provided on the outer side of the mounting plate 26, the material feeding teeth 24 having tooth gaps 25; a material dropping system, the material dropping system including a soil dropping port 4 and a stone dropping port 5 provided at the bottom of the housing 3, a soil conveyor belt 6 being provided below the soil dropping port 4, and a stone conveyor belt 7 being provided below the stone dropping port 5.

[0036] In this embodiment, the feeding system is used to feed the soil to be crushed and screened. The soil is transported to the top of the receiving hopper 9 by the feeding conveyor belt 8 and then falls into the receiving hopper 9. Generally, when selecting soil, it is sufficient to select soil from general farmland. The soil contains a few small stones and is mostly soil. Only the small stones need to be screened out, while the larger pieces of soil need to be crushed.

[0037] After being fed, the soil undergoes a crushing process specifically designed for lumpy soil. The lumpy soil is crushed by a motor 10, a rotating shaft 21, and rotating blades 22. Then, through the centrifugal force of the rotating drum 13, the crushed soil is thrown out through the through hole. The rotating blades 22 have a multi-layer design, which can crush the falling soil layer by layer. In addition, a rotating seat 17 is set at the lower end of the rotating shaft 21, and crushing teeth 20 are set on the outer side of the rotating seat 17. After passing through the crushing teeth 20, any missed lumpy soil can be crushed. Furthermore, a mounting plate 26 is provided with crushing teeth 23, which can grind off the soil attached to the stones. Through the crushing system, the soil can be utilized efficiently.

[0038] The screening system mainly consists of a rotating cylinder 13 with a through hole and a conical plate 16. The crushed soil can be thrown out through the through hole. A support base 15 is set at the lower end of the rotating cylinder 13. The support base 15 is fixedly connected to the shell 3 and rotatably connected to the rotating cylinder 13 for stable rotation of the rotating cylinder 13. The support base 15 acts as the bottom of the shell 3.

[0039] The receiving hopper 9 is an inverted conical structure, with its lower end connected to and passing through the upper cover 11. The receiving hopper 9 is located on one side of the motor 10, and the feeding conveyor belt 8 is provided with raised rubber strips for limiting soil spillage.

[0040] In this embodiment, the upper end of the receiving hopper 9 is large and the lower end has a small opening. The lower end passes through the upper cover 11 and is fixed to the upper surface of the upper cover 11. During the transportation of soil, in order to prevent the soil from scattering, raised rubber strips are provided on both sides of the feeding conveyor belt 8.

[0041] A bearing 12 is provided in the middle of the upper cover 11. The motor 10 is fixed on the upper cover 11, and the output end of the motor 10 is connected to a rotating shaft 21. The rotating shaft 21 passes through the bearing 12 and extends into the rotating cylinder 13. The rotating cylinder 13 is fixedly connected to the rotating shaft 21, and the rotating shaft 21 drives the rotating cylinder 13 to rotate together.

[0042] In this embodiment, the upper cover 11 is fixed on the bracket 2, and the motor 10 needs to be fixed at the position of the upper cover 11. The output end of the motor 10 is connected to the rotating shaft 21. The rotating shaft 21 passes through the upper cover 11 and extends into the rotating cylinder 13, driving the rotating blade 22 to rotate, thereby breaking up the soil.

[0043] The rotating blades 22 are arc-shaped and arranged in layers along the rotation axis 21, with four rotating blades 22 in each layer. The outer side of the rotating blades 22 is designed as a blade to crush falling clods of soil.

[0044] In this embodiment, the rotating blades 22 are arranged in layers, and the outer end faces are all blade structures, which facilitates the breaking of soil.

[0045] The lower end of the rotating shaft 21 is connected to the rotating seat 17, which is disc-shaped. The outer side of the rotating seat 17 is fixedly provided with crushing teeth 20. The crushing teeth 20 are L-shaped and the outer side is set with blades. There are several crushing teeth 20, which are evenly distributed on the outer side of the rotating seat 17.

[0046] In this embodiment, the rotating seat 17 has a disc shape, and crushing teeth 20 are fixedly provided on its outer side, which can further crush the falling clods of soil.

[0047] The conical plate 16 is provided with a through hole. The upper end face of the conical plate 16 is fixedly connected to the inner side of the rotating cylinder 13, and the lower end face is provided on the outer side of the crushing tooth 20, with a gap between it and the crushing tooth 20.

[0048] In this embodiment, a gap is left between the conical plate 16 and the rotating seat 17 for the passage of lumpy soil, while finer soil is thrown out by centrifugal force and falls between the shell 3 and the rotating cylinder 13.

[0049] The material drop ring 18 is the gap formed between the conical plate 16 and the rotating seat 17, and the crushing teeth 20 are provided in the gap.

[0050] In this embodiment, since the soil that cannot pass through the through hole falls through the gap, the crushing tooth 20 is set in the gap for further crushing of the soil.

[0051] The material feeding plate 14 is located above the bottom of the housing 3. The soil discharge port 4 penetrates the bottom of the housing 3 and is connected to the housing 3. By rotating the material feeding plate 14, the screened soil is fed to the soil discharge port 4.

[0052] In this embodiment, the finer soil remains between the shell 3 and the rotating cylinder 13. A material-pushing plate 14 is provided on the outer side of the rotating cylinder 13. The material-pushing plate 14 can push the soil to the soil discharge port 4 to achieve soil discharge.

[0053] The material-pushing tooth 24 has an arc-shaped structure and is used to push the stones. A tooth gap 25 is provided at the lower part of the material-pushing tooth 24. Soil is thrown out through the tooth gap 25. After the stones are pushed to the bottom of the mounting plate 26, they fall into the stone drop port 5. A connecting rod 19 is provided at the lower end of the rotating seat 17, and the mounting plate 26 is connected through the connecting rod 19. The lower end face of the mounting plate 26 is provided with crushing teeth 23.

[0054] In this embodiment, the material-pushing teeth 24 can push stones with soil and soil blocks that are difficult to break to the bottom of the crushing teeth 23. After being processed by the crushing teeth 23, the soil on the stones is ground off, and the soil blocks that are difficult to process are further crushed.

[0055] The working method (or working principle) of this invention:

[0056] When this technology is in operation, the motor 10 is turned on, and the soil to be processed is transported to the position above the receiving hopper 9 via the feeding conveyor belt 8 and falls into the receiving hopper 9. The soil enters the rotating drum 13, and the rotating shaft 21 in the rotating drum 13 drives the rotating blades 22 to initially break up the falling soil. Generally, relatively soft lumpy soil will become broken soil after being processed by the rotating blades 22. Then, under the centrifugal force of the rotating drum 13, it is thrown out from the through hole. The outer shell 3 blocks the thrown soil and the soil falls to the bottom of the shell 3. Then, the material guide plate 14 pushes the soil to the soil drop port 4 and falls down.

[0057] Soil that is not broken by the rotating blades 22 falls onto the conical plate 16, where it is processed by the crushing teeth 20 and becomes finer. This finer soil is then thrown to the bottom of the outer shell by centrifugal force. Additionally, soil carried on the rocks is separated from them by the crushing teeth 23 on the mounting plate 26.

[0058] In this invention, unless otherwise explicitly specified and limited, for example, it can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two elements or an interaction between two elements. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0059] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A high-efficiency screening machine for crushed materials, comprising a base (1), a shell (3), a top cover (11), and a motor (10), wherein a support (2) is provided on the base (1), characterized in that: Also includes: The feeding system includes a feeding conveyor belt (8) set on one side of the base (1), and a receiving hopper (9) is set below the top of the feeding conveyor belt (8). The crushing system includes a rotating shaft (21) connected to a motor (10), a rotating blade (22) on the rotating shaft (21), a rotating seat (17) connected to the rotating shaft (21), crushing teeth (20) on the outer side of the rotating seat (17), a mounting plate (26) connected to the lower end of the rotating seat (17), and crushing teeth (23) on the bottom surface of the mounting plate (26). The screening system includes a rotating cylinder (13) disposed outside the rotating blade (22), and a conical plate (16) is disposed on the rotating cylinder (13). The conical plate (16) is disposed on the outside of the rotating seat (17), and a material dropping ring (18) is disposed between the conical plate (16) and the rotating seat (17). The material feeding system includes a material feeding plate (14) disposed on the outer side of the rotating cylinder (13), the bottom surface of the material feeding plate (14) being flush with the inner bottom surface of the housing (3), and the material feeding system also includes material feeding teeth (24) disposed on the outer side of the mounting plate (26), the material feeding teeth (24) having tooth slots (25). The receiving hopper (9) is an inverted cone structure with the lower end connected to the upper cover (11) and penetrating through the upper cover (11). The receiving hopper (9) is located on one side of the motor (10). The feeding conveyor belt (8) is provided with raised rubber strips for limiting soil spillage. A bearing (12) is provided in the middle of the upper cover (11). The motor (10) is fixed on the upper cover (11), and the output end of the motor (10) is connected to a rotating shaft (21). The rotating shaft (21) passes through the bearing (12) and extends into the rotating cylinder (13). The rotating cylinder (13) is fixedly connected to the rotating shaft (21), and the rotating shaft (21) drives the rotating cylinder (13) to rotate together. The rotating blade (22) is arc-shaped and is arranged in layers along the rotating axis (21), with four rotating blades (22) in each layer. The outer side of the rotating blade (22) is designed as a blade to crush falling clods of soil. The lower end of the rotating shaft (21) is connected to the rotating seat (17). The rotating seat (17) is disc-shaped. Crushing teeth (20) are fixedly provided on the outer side of the rotating seat (17). The crushing teeth (20) are L-shaped and the outer side is set with a blade. There are several crushing teeth (20) evenly distributed on the outer side of the rotating seat (17). The conical plate (16) is provided with a through hole. The upper end face of the conical plate (16) is fixedly connected to the inner side of the rotating cylinder (13). The lower end face is provided on the outside of the crushing tooth (20) and a gap is left between it and the crushing tooth (20). The material drop ring (18) is the gap formed between the conical plate (16) and the rotating seat (17), and the crushing teeth (20) are provided in the gap.

2. The high-efficiency screening machine for crushed materials according to claim 1, characterized in that: A material discharge system is provided below the shell (3). The material discharge system includes a soil discharge port (4) and a stone discharge port (5) located at the bottom of the shell (3). A soil conveyor belt (6) is provided below the soil discharge port (4), and a stone conveyor belt (7) is provided below the stone discharge port (5). A material-pushing plate (14) is located above the bottom of the shell (3). The soil discharge port (4) penetrates the bottom of the shell (3) and is connected to the shell (3). By rotating the material-pushing plate (14), the screened soil is pushed to the soil discharge port (4).

3. The high-efficiency screening machine for crushed materials according to claim 2, characterized in that: The material-pushing teeth (24) are arc-shaped structures used to push the stones. There are tooth gaps (25) at the bottom of the material-pushing teeth (24). Soil is thrown out through the tooth gaps (25), and the stones are pushed to the bottom of the mounting plate (26) and fall into the stone drop port (5).

4. The high-efficiency screening machine for crushed materials according to claim 3, characterized in that: The lower end of the rotating seat (17) is provided with a connecting rod (19), and the mounting plate (26) is connected through the connecting rod (19). The lower end face of the mounting plate (26) is provided with breaking teeth (23).

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