Separating and screening device for torreya grandis kernels

Abstract

The utility model discloses a separating and screening device for torreya grandis kernels, and relates to the technical field of screening devices. The top end of the outer wall of the box body is open; a closing plate is hinged to one side of the top end of the outer wall of the box body; a switch device is arranged on the outer side wall of the closing plate; a discharging opening is fixedly connected to the center of the bottom end of the outer wall of the box body, and the discharging opening communicates with the box body; the motor drives the rotating shaft to rotate, the rotating shaft drives the connecting plate and the guide rod to rotate, the guide rod slides in the moving frame, the guide rod moves up and down along with the connecting plate while sliding in the moving frame, and therefore the moving frame is driven to move up and down, and the moving frame drives the screening plate to move up and down. According to the torreya grandis shell and torreya grandis kernel screening device, materials are toggled up along with vertical movement of the screening plate, and when torreya grandis shells and torreya grandis kernels are separated and toggled up through vertical movement of the screening plate, the torreya grandis shells cannot block the screening plate, and meanwhile the screening plate can efficiently screen the torreya grandis shells and the torreya grandis kernels.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a separation and screening device for Torreya grandis kernels. Background Art

[0002] Torreya grandis kernel is a kind of nut. It has the effects of expelling insects, moistening the intestines and facilitating bowel movements, invigorating qi and strengthening the spleen, replenishing calories, regulating the stomach and stimulating appetite. Its pine-flavored and delicious taste and rich nutritional value make it one of the favorite dried fruits for children. Torreya grandis kernel needs to be shelled and separated before eating, which requires the use of separation and screening equipment during the processing.

[0003] In the prior art, most of the separation and screening devices for Torreya grandis kernels use round hole screens or square hole screens to screen and separate Torreya grandis kernels and Torreya grandis shells by vibration. This screening method is prone to clogging the screen when separating and screening Torreya grandis kernels, resulting in poor screening and separation effects, which affects work efficiency.

[0004] In view of the above technical problems, this application proposes a solution. Utility Model Content

[0005] The utility model aims to solve the problem that the separation and screening devices for Torreya grandis kernels in the prior art mostly use round hole screens or square hole screens to screen and separate Torreya grandis kernels and Torreya grandis shells by vibration, and this screening method is easy to clog the screen when separating and screening the Torreya grandis kernels, resulting in poor screening and separation effects, thus affecting the work efficiency. A separation and screening device for Torreya grandis kernels is proposed.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A separation and screening device for Torreya grandis kernels, comprising a box body; the top end of the outer wall of the box body is open; a closing plate is hinged on one side of the top end of the outer wall of the box body; a switch device is provided on the outer side wall of the closing plate; a discharge port is fixedly connected to the center of the bottom end of the outer wall of the box body, and the discharge port is connected to the box body; a group of columns are fixedly connected to the bottom end of the outer wall of the box body; a motor is fixedly connected to one side of the outer wall of the box body through a fixing block; a rotating shaft is provided at the output end of the motor, and one end of the outer wall of the rotating shaft passes through the box body and is located in the box body; the rotating shaft does not pass through the box body A cleaning piece is provided on the outer wall at one end through the first sprocket; the cleaning piece includes a second sprocket; a screening plate is slidably connected to the inner wall of the box body, and the screening plate is semicircular; a group of screening holes are opened on the inner wall of the screening plate; a group of moving frames are fixedly connected to the center of the bottom end of the outer wall of the screening plate, and the moving frames are in an inverted T shape; the rotating shaft passes through one end of the outer wall of the box body and is fixedly connected to a connecting plate; a guide rod is fixedly connected to the edge of one side of the outer wall of the connecting plate, and the outer wall of one end of the guide rod is located in a group of moving frames, and the guide rod is slidably connected to the moving frame.

[0008] Preferably, a rotating rod is rotatably connected to one side of the outer wall of the box body, and one end of the outer wall of the rotating rod passes through the box body; the inner wall of the first sprocket is fixedly connected to the outer wall of the end where the rotating shaft does not pass through the box body; one end of the outer wall of the second sprocket is fixedly connected to the end of the outer wall of the rotating rod that does not pass through the box body, and the first sprocket and the second sprocket are connected by a chain; a group of cleaning rods are provided on the outer wall of one end of the rotating rod passing through the box body through two groups of connecting shells, and the cleaning rods are U-shaped, and the outer wall of the cleaning rods is in contact with the inner wall of the screening plate.

[0009] Preferably, one end of the outer wall of the connecting shell is fixedly connected to the outer wall of the rotating rod; springs are provided between the outer wall of the rotating rod and both ends of the outer wall of a group of cleaning rods, and the two ends of the outer walls of the two groups of springs are respectively fixedly connected to the outer wall of the rotating rod and the two ends of the outer wall of the cleaning rod; the two groups of springs are respectively located in the two groups of connecting shells; the outer wall of the cleaning rod is slidably connected to the inner wall of the connecting shell.

[0010] Preferably, the top ends of both ends of the outer wall of the screening plate are beveled; a limit plate is provided between the opposite sides of the inner wall of the cleaning rod; and a bevel is provided at the bottom end of the outer wall of the cleaning rod, and the bevel is located in the forward direction of the cleaning rod.

[0011] Preferably, the bottom end of the outer wall of the cleaning rod is rotatably connected to a threaded rod; the opposite sides of the inner wall of the limiting plate are respectively slidably connected to the opposite sides of the inner wall of the cleaning rod; the top end of the outer wall of the threaded rod passes through the limiting plate, and the threaded rod is threadedly connected to the limiting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The motor drives the rotating shaft to rotate, thereby driving the first sprocket to rotate. Because one end of the outer wall of the second sprocket is fixedly connected to one end of the outer wall of the rotating rod that does not penetrate the box body, and the first sprocket and the second sprocket are connected by a chain, the rotation of the first sprocket drives the second sprocket and the rotating rod to rotate through the sprocket, so that the rotation of the rotating rod drives the cleaning rod to rotate, so that the cleaning rod can clean the Torreya shells, so that the Torreya shells cannot block the screening plate, so that the device has a dual anti-blocking function, thereby ensuring that the screening plate can perform screening work efficiently.

[0014] 2. By rotating the threaded rod, the limit plate can be driven to move up and down on the inner wall of the cleaning rod, so that the rotation of the threaded rod can adjust the distance between the limit plate and the cleaning rod, so that the device can increase the distance when screening larger Torreya grandis kernels, and reduce the distance when screening smaller Torreya grandis kernels. Therefore, not only a variety of Torreya grandis kernels can be screened, but also Torreya grandis kernels and Torreya grandis shells can be effectively separated, thereby increasing the scope of application of the device and making it more flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the partial structure of the main body of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the guide rod and the cleaning rod of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the cleaning rod and the rotating rod of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the limit plate and the cleaning rod of the utility model;

[0021] In the figure: 1. box body; 2. closing plate; 3. discharge port; 4. column; 5. motor; 6. rotating shaft; 7. first sprocket; 8. second sprocket; 9. screening plate; 10. screening hole; 11. moving frame; 12. connecting plate; 13. guide rod; 14. rotating rod; 15. chain; 16. connecting shell; 17. cleaning rod; 18. spring; 19. limit plate; 20. threaded rod. DETAILED DESCRIPTION

[0022] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 - Figure 5As shown, a separation and screening device for Torreya grandis kernels comprises a box body 1; the top of the outer wall of the box body 1 is open; a closing plate 2 is hingedly connected to the top of the outer wall of the box body 1; a switch device is arranged on the outer wall of the closing plate 2; a discharge port 3 is fixedly connected to the center of the bottom end of the outer wall of the box body 1, and the discharge port 3 is communicated with the box body 1; a group of columns 4 are fixedly connected to the bottom end of the outer wall of the box body 1; a motor 5 is fixedly connected to one side of the outer wall of the box body 1 through a fixing block; a rotating shaft 6 is arranged at the output end of the motor 5, and one end of the outer wall of the rotating shaft 6 passes through the box body 1 and is located inside the box body 1; a cleaning piece is arranged on the outer wall of the end of the rotating shaft 6 that does not pass through the box body 1 through a first sprocket 7; the cleaning piece comprises a second sprocket 8; a screening plate 9 is slidably connected to the inner wall of the box body 1, and the screening plate 9 is in a semicircular shape; a group of screening holes 10 are opened on the inner side wall of the screening plate 9; a group of moving frames 11 are fixedly connected to the center of the bottom end of the outer wall of the screening plate 9, and the moving frame 11 is in an inverted T shape; the rotating shaft 6 passes through the outer wall of the box body 1 and is fixedly connected to a connecting plate 12 at one end; a guide rod 13 is fixedly connected to the edge of one side of the outer wall of the connecting plate 12, and the outer side wall of one end of the guide rod 13 is located in a group of moving frames 11, and the guide rod 13 is slidably connected to the moving frame 11. By putting the Chinese torreya into the top opening of the outer wall of the box body 1, and then using the switch device to close the closing plate 2, the switch device is a prior art and is not described. The rotating shaft 6 is driven to rotate by the motor 5, the rotating shaft 6 drives the connecting plate 12 to rotate, and the connecting plate 12 drives the guide rod 13 The guide rod 13 is rotated so that the guide rod 13 slides in the moving frame 11, and the guide rod 13 slides in the moving frame 11 and rotates with the connecting plate 12, thereby moving up and down, thereby driving the moving frame 11 to move up and down, so that the moving frame 11 drives the screening plate 9 to move up and down, so that the put-in material is lifted up as the screening plate 9 moves up and down, thereby generating vibration and gradually separating the Chinese torreya shell and the Chinese torreya kernel, so that the Chinese torreya kernel will fall from the screening hole 10 when it is lifted and falls on the screening plate 9, thereby discharging the material from the discharging port 3, and when the screening plate 9 moves up and down to separate and lift the Chinese torreya shell and the Chinese torreya kernel, the Chinese torreya shell cannot block the screening plate 9, so that the screening plate 9 can efficiently separate the Chinese torreya shell and the Chinese torreya kernel. The torreya nuts are screened, and the screening plate 9 is less likely to be blocked by cleaning the cleaning piece, so that the device not only has the function of separating the torreya shell and the torreya kernel, but also can prevent the torreya shell from blocking the screening plate 9, and the separation of the torreya shell and the torreya kernel makes the torreya kernel easier to be screened, so that the device can screen the torreya kernel efficiently. A rotating rod 14 is rotatably connected to one side of the outer wall of the box body 1, and one end of the outer wall of the rotating rod 14 passes through the box body 1; the inner side wall of the first sprocket 7 is fixedly connected to the outer side wall of the end of the rotating shaft 6 that does not pass through the box body 1; one end of the outer wall of the second sprocket 8 is fixedly connected to one end of the outer wall of the rotating rod 14 that does not pass through the box body 1, and the first sprocket 7 and the second sprocket 8 are connected by a chain 15;The outer side wall of one end of the rotating rod 14 passing through the box body 1 is provided with a group of cleaning rods 17 through two groups of connecting shells 16, and the cleaning rods 17 are U-shaped, and the outer side wall of the cleaning rod 17 contacts the inner side wall of the screening plate 9, and the rotating shaft 6 is driven to rotate by the motor 5, thereby driving the first sprocket 7 to rotate. Because one end of the outer wall of the second sprocket 8 is fixedly connected to the outer side wall of the rotating rod 14 that does not pass through the box body 1, and the first sprocket 7 and the second sprocket 8 are connected by a chain 15, the rotation of the first sprocket 7 drives the second sprocket 8 and the rotating rod 14 to rotate through the sprocket, so that the rotation of the rotating rod 14 drives the cleaning rod 17 to rotate, so that the cleaning rod 17 The torreya shells can be cleaned so that the torreya shells cannot block the screening plate 9, thereby making the device have a dual anti-blocking function, thereby ensuring that the screening plate 9 can perform screening work efficiently, through the outer wall of the screening plate 9, both ends of the top end are provided with beveled edges; a limit plate 19 is provided between the opposite sides of the inner wall of the cleaning rod 17; the bottom end of the outer wall of the cleaning rod 17 is provided with a bevel, and the bevel is located in the forward direction of the cleaning rod 17, through the outer wall of the screening plate 9, both ends of the top end are provided with beveled edges, so that the rotating cleaning rod 17 will first contact the beveled edge of the screening plate 9 when it encounters the screening plate 9, so that the cleaning rod 17 will shrink when it encounters the beveled edge, so that the cleaning rod 17 17 will not be stuck, and a limiting plate 19 is provided between the opposite sides of the inner wall of the cleaning rod 17, so that the distance between the bottom end of the outer wall of the limiting plate 19 and the bottom end of the inner wall of the cleaning rod 17 can only pass the ginkgo kernel, but cannot pass the ginkgo shell, so that the cleaning plate will drive the ginkgo shell to rotate when rotating, and the ginkgo kernel will pass through between the cleaning rod 17 and the limiting plate 19, so that the ginkgo kernel can fall on the unblocked screening plate 9 when the ginkgo shell is taken away by the rotation of the cleaning rod 17, so that the ginkgo kernel can fall from the screening hole 10 on the screening plate 9, so that the device can more efficiently and quickly screen the ginkgo kernel and pass through the cleaning rod 17 The bottom end of the outer wall is provided with an inclined surface, so that when the Chinese torreya kernels meet the cleaning rod 17, they will first touch the inclined surface, so that the Chinese torreya kernels can pass through the cleaning rod 17 and the limiting plate 19 more easily along the inclined surface, thereby improving the screening efficiency of the Chinese torreya kernels. The bottom end of the outer wall of the cleaning rod 17 is rotatably connected with a threaded rod 20; the opposite sides of the inner wall of the limiting plate 19 are respectively slidably connected to the opposite sides of the inner wall of the cleaning rod 17; the top end of the outer wall of the threaded rod 20 passes through the limiting plate 19, and the threaded rod 20 is threadedly connected to the limiting plate 19, because the opposite sides of the inner wall of the limiting plate 19 are respectively slidably connected to the opposite sides of the inner wall of the cleaning rod 17;The top of the outer wall of the threaded rod 20 passes through the limit plate 19, and the threaded rod 20 is threadedly connected to the limit plate 19, so that rotating the threaded rod 20 can drive the limit plate 19 to move up and down on the inner wall of the cleaning rod 17, so that the rotation of the threaded rod 20 can adjust the distance between the limit plate 19 and the cleaning rod 17, so that the device can increase the distance when screening larger Torreya grandis kernels, and reduce the distance when screening smaller Torreya grandis kernels, so that not only a variety of Torreya grandis kernels can be screened, but also Torreya grandis kernels and Torreya grandis shells can be effectively separated, thereby increasing the scope of application of the device and making it more flexible, and one end of the outer wall of the connecting shell 16 is fixedly connected to the outer wall of the rotating rod 14; springs 18 are provided between the outer wall of the rotating rod 14 and the two ends of the outer wall of a group of cleaning rods 17, and the two ends of the outer walls of the two groups of springs 18 are respectively fixedly connected to The outer wall of the rotating rod 14 and the two ends of the outer wall of the cleaning rod 17; two groups of springs 18 are respectively located in the two groups of connecting shells 16; the outer wall of the cleaning rod 17 is slidably connected to the inner wall of the connecting shell 16, and the cleaning rod 17 and the rotating rod 14 are connected by the spring 18, and the cleaning rod 17 is slidably connected to the connecting shell 16, so that the cleaning rod 17 can be freely extended and retracted under the action of the spring 18, so that the cleaning rod 17 can be extended and retracted with the up and down movement of the screening plate 9, so that the cleaning rod 17 can fit the screening plate 9 for cleaning work, and the cleaning rod 17 is connected by the spring 18, so that after the cleaning rod 17 is worn, under the action of the spring 18, the cleaning rod 17 is still in contact with the screening plate 9, so that the service life of the cleaning rod 17 is increased, and the cleaning rod 17 can also perform cleaning work when the screening plate 9 moves up and down. ;

[0024] Working principle: Put the Chinese torreya nuts into the box body 1 through the top opening of the outer wall, then use the switch device to close the closing plate 2, and then use the motor 5 to drive the rotating shaft 6 to rotate, the rotating shaft 6 drives the connecting plate 12 to rotate, and the connecting plate 12 drives the guide rod 13 to rotate, so that the guide rod 13 slides in the moving frame 11, and the guide rod 13 slides in the moving frame 11 and rotates with the connecting plate 12, so as to move up and down, thereby driving the moving frame 11 to move up and down, so that the moving frame 11 drives the screening plate 9 to move up and down, so that the put-in material is lifted up with the up and down movement of the screening plate 9, thereby generating vibration and gradually separating the Chinese torreya shells and Chinese torreya kernels, so that the Chinese torreya kernels will fall from the screening hole 10 when they are lifted up and fall onto the screening plate 9. The material is discharged from the discharge port 3, and when the screening plate 9 moves up and down to separate and lift the ginkgo shell and the ginkgo kernel, the ginkgo shell cannot block the screening plate 9, so that the screening plate 9 can efficiently screen the ginkgo shell and the ginkgo kernel, so that the device not only has the function of separating the ginkgo shell and the ginkgo kernel, but also can prevent the ginkgo shell from blocking the screening plate 9, and the separation of the ginkgo shell and the ginkgo kernel makes the ginkgo kernel easier to be screened, so that the device can efficiently screen the ginkgo kernel, and the motor 5 drives the rotating shaft 6 to rotate, and drives the first sprocket 7 to rotate, because one end of the outer wall of the second sprocket 8 is fixedly connected to the end of the outer wall of the rotating rod 14 that does not penetrate the box body 1, and the first sprocket 7 and the second sprocket 8 are connected by the chain 15, so that the first sprocket 7 The rotation drives the second sprocket 8 and the rotating rod 14 to rotate through the sprocket, so that the rotation of the rotating rod 14 drives the cleaning rod 17 to rotate, so that the cleaning rod 17 can clean the Torreya shells, so that the Torreya shells cannot block the screening plate 9, so that the device has a dual anti-blocking function, thereby ensuring that the screening plate 9 can efficiently perform the screening work, and the cleaning rod 17 and the rotating rod 14 are connected by a spring 18, and the cleaning rod 17 is slidably connected to the connecting shell 16, so that the cleaning rod 17 can be freely extended and retracted under the action of the spring 18, so that the cleaning rod 17 can be extended and retracted as the screening plate 9 moves up and down, so that the cleaning rod 17 can fit the screening plate 9 for cleaning work, and the cleaning rod 17 is connected by the spring 18 so that the cleaning rod 17 is worn After the damage, under the action of the spring 18, the cleaning rod 17 is still in contact with the screening plate 9, thereby increasing the service life of the cleaning rod 17 and allowing the cleaning rod 17 to perform cleaning work when the screening plate 9 moves up and down. Because the top ends of the outer walls of the screening plate 9 are provided with beveled edges, the rotating cleaning rod 17 will first contact the beveled edges of the screening plate 9 when encountering the screening plate 9, so that the cleaning rod 17 will shrink when encountering the beveled edges, so that the cleaning rod 17 will not be stuck, and a limiting plate 19 is provided between the opposite sides of the inner wall of the cleaning rod 17, so that the distance between the bottom end of the outer wall of the limiting plate 19 and the bottom end of the inner wall of the cleaning rod 17 can only pass through the Torreya nucifera kernel, but cannot pass through the Torreya nucifera shell, so that the cleaning member will drive the Torreya nucifera shell to rotate when it rotates.The Chinese torreya kernels will pass through between the cleaning rod 17 and the limiting plate 19, so that the Chinese torreya kernels can fall onto the unblocked screening plate 9 when the Chinese torreya shells are taken away by the rotation of the cleaning rod 17, so that the Chinese torreya kernels can fall from the screening holes 10 on the screening plate 9, and are slidably connected to the opposite sides of the inner wall of the cleaning rod 17 through the opposite sides of the inner wall of the limiting plate 19; the top of the outer wall of the threaded rod 20 passes through the limiting plate 19, and the threaded rod 20 is threadedly connected to the limiting plate 19, so that the rotation of the threaded rod 20 can drive the limiting plate 19 to move up and down on the inner wall of the cleaning rod 17, so that the rotation of the threaded rod 20 can adjust the limiting The distance between the plate 19 and the cleaning rod 17 can be adjusted to a larger distance when screening larger Torreya nuts, and a smaller distance when screening smaller Torreya nuts. This allows not only screening of multiple Torreya nuts, but also effective separation of Torreya nuts and Torreya shells. Because the bottom end of the outer wall of the cleaning rod 17 is provided with an inclined surface, when the Torreya nuts encounter the cleaning rod 17, they will first touch the inclined surface, so that the Torreya nuts can more easily pass through between the cleaning rod 17 and the limiting plate 19 along the inclined surface, thereby improving the screening efficiency of Torreya nuts, so that the device can screen Torreya nuts more efficiently and quickly.

[0025] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A separation and screening device for Torreya grandis kernels, comprising a box body (1); the top end of the outer wall of the box body (1) is open; a closing plate (2) is hingedly connected to one side of the top end of the outer wall of the box body (1); a switch device is provided on the outer side wall of the closing plate (2); a discharge port (3) is fixedly connected to the center of the bottom end of the outer wall of the box body (1), and the discharge port (3) is connected to the box body (1); a group of columns (4) are fixedly connected to the bottom end of the outer wall of the box body (1); characterized in that: A motor (5) is fixedly connected to one side of the outer wall of the box body (1) via a fixing block; a rotating shaft (6) is provided at the output end of the motor (5), and one end of the outer wall of the rotating shaft (6) passes through the box body (1) and is located inside the box body (1); a cleaning member is provided on the outer wall of the end of the rotating shaft (6) that does not pass through the box body (1) via a first sprocket (7); the cleaning member includes a second sprocket (8); a screening plate (9) is slidably connected to the inner wall of the box body (1), and the screening plate (9) is in a semicircular shape; the screening plate ( 9) is provided with a group of screening holes (10); a group of moving frames (11) are fixedly connected at the center of the bottom end of the outer wall of the screening plate (9), and the moving frames (11) are in an inverted T shape; the rotating shaft (6) passes through the outer wall of the box body (1) and is fixedly connected to a connecting plate (12) at one end; a guide rod (13) is fixedly connected to the edge of one side of the outer wall of the connecting plate (12), and the outer wall of one end of the guide rod (13) is located in the group of moving frames (11), and the guide rod (13) is slidably connected to the moving frame (11).

2. The separation and screening device for Torreya grandis kernels according to claim 1, characterized in that: A rotating rod (14) is rotatably connected to one side of the outer wall of the box body (1), and one end of the outer wall of the rotating rod (14) passes through the box body (1); the inner wall of the first sprocket (7) is fixedly connected to the outer wall of the end of the rotating shaft (6) that does not pass through the box body (1); one end of the outer wall of the second sprocket (8) is fixedly connected to the outer wall of the rotating rod (14) that does not pass through the box body (1), and the first sprocket (7) and the second sprocket (8) are connected by a chain (15); a group of cleaning rods (17) are provided on the outer wall of the end of the rotating rod (14) that passes through the box body (1) through two groups of connecting shells (16), and the cleaning rods (17) are U-shaped, and the outer wall of the cleaning rod (17) is in contact with the inner wall of the screening plate (9).

3. The separation and screening device for Torreya grandis kernels according to claim 2, characterized in that: One end of the outer wall of the connecting shell (16) is fixedly connected to the outer wall of the rotating rod (14); springs (18) are provided between the outer wall of the rotating rod (14) and the two ends of the outer wall of a group of cleaning rods (17), and the two ends of the outer walls of the two groups of springs (18) are respectively fixedly connected to the outer wall of the rotating rod (14) and the two ends of the outer wall of the cleaning rod (17); the two groups of springs (18) are respectively located in the two groups of connecting shells (16); the outer wall of the cleaning rod (17) is slidably connected to the inner wall of the connecting shell (16).

4. The separation and screening device for Torreya grandis kernels according to claim 3, characterized in that: The top ends of both ends of the outer wall of the screening plate (9) are beveled edges; a limit plate (19) is provided between the two opposite sides of the inner wall of the cleaning rod (17); and a bevel is provided at the bottom end of the outer wall of the cleaning rod (17), and the bevel is located in the forward direction of the cleaning rod (17).

5. The separation and screening device for Torreya grandis kernels according to claim 4, characterized in that: The bottom end of the outer wall of the cleaning rod (17) is rotatably connected to a threaded rod (20); the opposite sides of the inner wall of the limiting plate (19) are respectively slidably connected to the opposite sides of the inner wall of the cleaning rod (17); the top end of the outer wall of the threaded rod (20) passes through the limiting plate (19), and the threaded rod (20) is threadedly connected to the limiting plate (19).

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