Seed cleaning and screening device

Abstract

The utility model discloses a seed cleaning and screening device which comprises a rotatable cleaning tank, a drain pipe is arranged at the bottom of the cleaning tank, a control valve is arranged on the drain pipe, a discharge port is formed in one side of the cleaning tank, a sealing cover capable of being opened and closed is arranged at the discharge port, and a cleaning hopper capable of moving left and right is arranged on the upper edge of the cleaning tank. The lower end of the cleaning hopper is located in water of the cleaning tank, and the upper end of the cleaning hopper extends out of the water. The cleaning hopper capable of reciprocating is arranged in the water surface in the cleaning tank, after floating objects completely float out of the water, the floating objects in the water can be completely collected by controlling the cleaning hopper to move in the cleaning tank, the cleaning hopper can be lifted in the water, and after water is drained, the cleaning hopper can be used for cleaning the floating objects in the water. According to the floating object collecting device, workers can conveniently clean floating objects collected in the cleaning hopper, manual operation of the workers is reduced in the whole process, the workload is reduced, the floating object collecting efficiency is improved, and great convenience is brought to production.

Description

Technical Field

[0001] The utility model relates to the technical field of seed processing equipment, in particular to a seed cleaning and screening device. Background Art

[0002] Seed screening and cultivation is a very important part of the agricultural planting process. After the seeds are recovered, they need to be cleaned and floated to screen out the seeds that are not mature enough or shriveled, and the floating impurities such as broken leaves mixed in the seeds can also be cleaned. At present, when cleaning the seeds, the seeds are generally poured directly into the cleaning tank, and then water is poured into the cleaning tank. As the water flows over the seeds and the seeds are stirred for a certain period of time, the shriveled or immature seeds and light impurities such as broken leaves in the seeds will float on the water surface. At this time, the staff needs to hold the scoop net to collect and clean the floating objects in the water. During the whole process, the staff needs to repeatedly perform the salvage operation. The whole work is very cumbersome, which greatly increases the workload of the staff. Utility Model Content

[0003] The purpose of the utility model is to avoid the deficiencies of the prior art and provide a seed cleaning and screening device, thereby effectively solving the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a seed cleaning and screening device, comprising a rotatable cleaning tank, a drain pipe is arranged at the bottom of the cleaning tank, a control valve is arranged on the drain pipe, a discharge port is arranged on one side of the cleaning tank, a sealing cover that can be opened and closed is arranged at the discharge port, a cleaning bucket that can be moved left and right is arranged on the upper edge of the cleaning tank, the lower end of the cleaning bucket is located in the water of the cleaning tank, the upper end of the cleaning bucket extends out of the water, and the cleaning bucket is as wide as the cavity inside the cleaning tank;

[0005] Sliding seats which can move left and right are arranged on both sides of the cleaning tank, and lifting mechanisms are arranged on the sliding seats, and the cleaning buckets are installed on the lifting mechanisms on both sides.

[0006] Furthermore, the cleaning bucket includes a vertical plate and an inclined plate, the bottom of the vertical plate is fixedly connected to the bottom of the inclined plate, the vertical plate and the inclined plate are in an inclined V-shaped structure, the two ends of the vertical plate and the inclined plate are sealed with side plates, the two side plates are respectively attached to the inner walls on both sides of the cleaning tank, a number of drainage holes are provided on the vertical plate and the inclined plate, a cross bar is provided on the top of the vertical plate, and the cross bar is connected to the lifting mechanism on both sides.

[0007] Furthermore, the lifting mechanism is a lifting cylinder, the cylinder barrel of the lifting cylinder is vertically fixed on the sliding seat, the end of the piston rod of the lifting cylinder is provided with a placement head, the placement head is provided with a placement groove, and the cross bar is placed in the placement groove.

[0008] Furthermore, mounting transverse plates are provided on both sides of the cleaning tank, a lead screw is provided on the mounting transverse plates, the lead screw is driven to rotate by a motor, a connecting block is provided at the bottom of the sliding seat, and the lead screw passes through the connecting block.

[0009] Furthermore, guide rails are arranged on the installation cross plate at positions corresponding to the two sides of the lead screw, and sliding blocks are also arranged on the two sides of the bottom of the sliding seat, and the sliding blocks are installed on the guide rails.

[0010] Furthermore, the motor is installed at the bottom of the mounting cross plate, and the driving shaft of the motor and the end of the lead screw are both provided with transmission wheels, and the transmission wheels at the upper and lower ends are connected by a synchronous belt.

[0011] Furthermore, the cleaning tank is provided with a plurality of supporting ribs at positions corresponding to the lower ends of the mounting transverse plates.

[0012] Furthermore, a bottom plate is provided at the lower end of the cleaning tank, and a support seat and a hinge seat are respectively provided on both sides of the bottom plate. A hinge head is provided at the bottom of the cleaning tank at a position corresponding to the hinge seat, and the hinge head is hinged to the top end of the hinge seat through a pin shaft, and one end of the cleaning tank away from the hinge head is seated on the support seat.

[0013] Furthermore, an inclined rotating cylinder is provided on the bottom plate near the support seat, the cylinder barrel of the rotating cylinder is hinged to the bottom plate, the piston rod of the rotating cylinder is inclined toward one side of the hinged joint and the piston rod is hinged to the bottom of the cleaning tank.

[0014] Furthermore, a partition is provided at the bottom of the cleaning tank, a plurality of sieve holes are evenly distributed on the partition, and the partition is located at the lower edge of the discharge port.

[0015] The above-mentioned technical scheme of the utility model has the following beneficial effects: the utility model arranges a reciprocating cleaning bucket in the water surface of the cleaning tank. After the floating objects completely float out of the water, the floating objects in the water can be completely collected by controlling the cleaning bucket to move in the cleaning tank. The cleaning bucket can also be raised in the water. After the water is drained, it is convenient for the staff to clean the floating objects collected in the cleaning bucket. The whole process reduces the manual operation of the staff, which not only reduces the workload, but also improves the collection efficiency of the floating objects, bringing great convenience to production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main plan structure of an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the side plan structure of an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the main cross-sectional structure of an embodiment of the utility model;

[0019] Figure 4 for Figure 3 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0022] like Figure 1-4 As shown, a seed cleaning and screening device described in this embodiment includes a rotatable cleaning tank 1, a drain pipe 2 is provided at the bottom of the cleaning tank 1, a control valve 3 is provided on the drain pipe 2, a discharge port 1a is provided on one side of the cleaning tank 1, a sealing cover 4 that can be opened and closed is provided at the discharge port 1a, and a cleaning bucket 5 that can move left and right is provided on the upper edge of the cleaning tank 1, the lower end of the cleaning bucket 5 is located in the water of the cleaning tank 1, the upper end of the cleaning bucket 5 extends out of the water, and the cleaning bucket 5 is as wide as the cavity inside the cleaning tank 1;

[0023] Sliding seats 6 that can move left and right are arranged on both sides of the cleaning tank 1, and lifting mechanisms 7 are arranged on the sliding seats 6. The cleaning bucket 5 is installed on the lifting mechanisms 7 on both sides.

[0024] The cleaning bucket 5 includes a vertical plate 5a and an inclined plate 5b, the bottom of the vertical plate 5a is fixedly connected to the bottom of the inclined plate 5b, the vertical plate 5a and the inclined plate 5b are in an inclined V-shaped structure, and the two ends of the vertical plate 5a and the inclined plate 5b are sealed with side plates 5c, and the two side plates 5c are respectively attached to the inner walls on both sides of the cleaning tank 1. A plurality of drainage holes 5d are provided on the vertical plate 5a and the inclined plate 5b, and a cross bar 5e is provided on the top of the vertical plate 5a, and the cross bar 5e is connected to the lifting mechanism 7 on both sides.

[0025] The lifting mechanism 7 is a lifting cylinder, the cylinder barrel of which is vertically fixed on the sliding seat 6, a placing head 8 is provided at the end of the piston rod of the lifting cylinder, a placing groove 8a is provided on the placing head 8, and the cross bar 5e is placed in the placing groove 8a.

[0026] Mounting transverse plates 9 are provided on both sides of the cleaning tank 1 , and a lead screw 10 is provided on the mounting transverse plates 9 . The lead screw 10 is driven to rotate by a motor 11 . A connecting block 12 is provided at the bottom of the sliding seat 6 , and the lead screw 10 passes through the connecting block 12 .

[0027] Guide rails 13 are arranged on the installation cross plate 9 at positions corresponding to both sides of the lead screw 10 , and sliding blocks 14 are also arranged on both sides of the bottom of the sliding seat 6 , and the sliding blocks 14 are installed on the guide rails 13 .

[0028] The motor 11 is mounted at the bottom of the mounting cross plate 9 . The drive shaft of the motor 11 and the end of the lead screw 10 are both provided with transmission wheels, and the transmission wheels at the upper and lower ends are connected by a synchronous belt 15 .

[0029] By starting the motor 11, the motor 11 rotates to rotate the lead screw 10, and the lead screw 10 is threadedly connected to the connecting block 12, so that the sliding seat 6 moves left and right along the slide rail 13. As the sliding seat 6 moves, the lifting mechanism 7 and the cleaning bucket 5 installed thereon are also moved in the cleaning tank 1.

[0030] The cleaning tank 1 is further provided with a plurality of supporting ribs 16 at positions corresponding to the lower ends of the mounting transverse plates 9 , and the supporting ribs 16 are used to improve the strength of the mounting transverse plates 8 .

[0031] A bottom plate 17 is provided at the lower end of the cleaning tank 1, and a support seat 18 and a hinge seat 19 are respectively provided on both sides of the bottom plate 17. A hinge head 20 is provided at the bottom of the cleaning tank 1 at a position corresponding to the hinge seat 19. The hinge head 20 is hinged to the top of the hinge seat 19 through a pin shaft, and the end of the cleaning tank 1 away from the hinge head 20 is seated on the support seat 18.

[0032] An inclined rotating cylinder 21 is also provided on the bottom plate 1 near the support seat 18 . The cylinder barrel of the rotating cylinder 21 is hinged to the bottom plate 17 . The piston rod of the rotating cylinder 21 is inclined toward the hinge head 20 and is hinged to the bottom of the cleaning tank 1 .

[0033] A partition 22 is provided at the bottom of the cleaning tank 1, and a plurality of sieve holes 22a are evenly distributed on the partition 22. The partition 22 is located at the lower edge of the discharge port 1a. The partition 22 is used to separate seeds from fine sand and gravel particles and mud mixed with seeds. The fully precipitated seeds accumulate above the partition 22, and the fine sand and gravel and mud are precipitated to the bottom of the cleaning tank 1 along the sieve holes 22a.

[0034] The working principle of the utility model is as follows: untreated seeds are poured into the interior of the cleaning tank 1, and all the seeds fall onto the partition 22, and then water is injected into the cleaning tank 1. At the same time, the cleaning bucket 5 is parked at one end of the cleaning tank 1. When the water overflows the seeds, the inclined plate 5b on the cleaning bucket 5 is completely submerged by water, and the vertical plate 5a extends out on the water surface and extends upward to stir the seeds in the cleaning tank 1. At this time, the dry and immature seeds and the impurities such as broken leaves and branches mixed in the seeds will float in the water, and the fine sand and gravel particles mixed in the seeds will also settle to the bottom of the partition 22, and then stand still for a period of time until all the impurities float on the water surface, and then start the motor 11 to control the sliding seat 6 to move from one side of the cleaning tank 1 to the other side. During the movement, the vertical plate 5a will push the impurities floating on the water surface to move to the other side of the cleaning tank 1. After the movement is completed, the impurities on the water surface are The cleaning bucket 5 is completely pushed to the other end of the cleaning tank 1, and then the piston rod of the lifting cylinder controller is extended, so that the cleaning bucket 5 is completely raised above the water surface, and the excess water leaks out from the drainage hole 5d on the cleaning bucket 5. In this way, the collection of impurities on the water surface can be completed at one time. The cleaning bucket 5 can be removed to clean the impurities collected inside it, and the control valve 3 under the drain pipe 2 is opened, and the water in the cleaning tank 1 will be discharged in the drain pipe 2. At the same time, fine sand, mud and other debris will be discharged together. The collected and discharged water can be reused after filtering. After the water in the cleaning tank 1 is completely drained, the piston rod of the control rotating cylinder 21 is extended, and the cleaning tank 1 can be rotated along the hinged joint 20 at this time. The sealing cover 4 is opened, and the seeds cleaned and screened inside the cleaning tank 1 can be discharged at an angle. The whole process is convenient and fast, which greatly improves work efficiency while reducing workload.

[0035] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A seed cleaning and screening device, characterized in that: The invention comprises a rotatable cleaning tank, a drain pipe is arranged at the bottom of the cleaning tank, a control valve is arranged on the drain pipe, a discharge port is arranged on one side of the cleaning tank, a sealing cover which can be opened and closed is arranged at the discharge port, a cleaning bucket which can be moved left and right is arranged on the upper edge of the cleaning tank, the lower end of the cleaning bucket is located in the water of the cleaning tank, and the upper end of the cleaning bucket extends out of the water; Sliding seats which can move left and right are arranged on both sides of the cleaning tank, and lifting mechanisms are arranged on the sliding seats, and the cleaning buckets are installed on the lifting mechanisms on both sides.

2. A seed cleaning and screening device according to claim 1, characterized in that: The cleaning bucket comprises a vertical plate and an inclined plate, the bottom of the vertical plate is fixedly connected to the bottom of the inclined plate, the vertical plate and the inclined plate are in an inclined V-shaped structure, the ends of the vertical plate and the inclined plate are sealed with side plates, a plurality of drainage holes are arranged on the vertical plate and the inclined plate, a cross bar is arranged on the top of the vertical plate, and the cross bar is connected to the lifting mechanisms on both sides.

3. A seed cleaning and screening device according to claim 2, characterized in that: The lifting mechanism is a lifting cylinder, the cylinder barrel of which is vertically fixed on the sliding seat, a placing head is provided at the end of the piston rod of the lifting cylinder, a placing groove is provided on the placing head, and the cross bar is placed in the placing groove.

4. A seed cleaning and screening device according to claim 1, characterized in that: Mounting transverse plates are arranged on both sides of the cleaning tank, and a lead screw is arranged on the mounting transverse plates. The lead screw is driven to rotate by a motor, and a connecting block is arranged at the bottom of the sliding seat, and the lead screw passes through the connecting block.

5. A seed cleaning and screening device according to claim 4, characterized in that: Guide rails are arranged on the installation transverse plate at positions corresponding to the two sides of the lead screw, and sliding blocks are also arranged on the two sides of the bottom of the sliding seat, and the sliding blocks are installed on the guide rails.

6. A seed cleaning and screening device according to claim 5, characterized in that: The motor is installed at the bottom of the installation horizontal plate, and the driving shaft of the motor and the end of the lead screw are both provided with transmission wheels, and the transmission wheels at the upper and lower ends are connected by a synchronous belt.

7. A seed cleaning and screening device according to claim 6, characterized in that: The cleaning tank is also provided with a plurality of supporting ribs at positions corresponding to the lower ends of the mounting transverse plates.

8. A seed cleaning and screening device according to claim 1, characterized in that: A bottom plate is provided at the lower end of the cleaning tank, and a support seat and a hinge seat are provided on both sides of the bottom plate respectively. A hinge head is provided at the bottom of the cleaning tank at a position corresponding to the hinge seat, and the hinge head is hinged to the top end of the hinge seat through a pin shaft, and one end of the cleaning tank away from the hinge head is seated on the support seat.

9. A seed cleaning and screening device according to claim 8, characterized in that: An inclined rotating oil cylinder is also arranged on the bottom plate near the support seat, the cylinder barrel of the rotating oil cylinder is hinged to the bottom plate, the piston rod of the rotating oil cylinder is inclined toward one side of the hinge head and the piston rod is hinged to the bottom of the cleaning tank.

10. The seed cleaning and screening device according to claim 1, characterized in that: A partition is provided at the bottom of the cleaning tank, a plurality of sieve holes are evenly distributed on the partition, and the partition is located at the lower edge of the discharge port.

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