Multi-stage nut screening device

Abstract

The utility model discloses a multi-stage nut screening device which comprises a screening shell, and the lower end of the screening shell is connected with a lifting device. The transmission device is connected to the inner wall of the screening shell, and the first screening drum is fixedly connected to one end of the first gear; the second screen drum is fixedly connected to one end of the first gear, and the third screen drum is fixedly connected to one end of the first gear; the fourth screen drum is fixedly connected to one end of the first gear, and one end of the first connecting plate is connected with the first screen drum; one end of the connecting plate II is connected with the screen drum II; one end of the connecting plate III is connected with the screen drum III; one end of the connecting plate IV is connected with the screen drum IV; the first hinge block is fixedly connected with the bottom end of the screening shell. Two ends of the hinge rod are connected with the inner sides of the hinge blocks I; the hinge block II sleeves the surface of the hinge rod; the fixing rod is fixedly connected to the lower end of the second hinge block. Compared with the prior art, the screening device has the advantages that the limitation of the screening device on space is reduced; the angle of the screening device can be changed.

Description

Technical Field

[0001] This utility model relates to the field of screening, specifically a multi-stage screening device for nuts. Background Technology

[0002] Nuts undergo grading during processing. Grading helps determine the appearance and quality standards of nuts, ensuring product consistency and acceptable quality levels. Grading allows for product customization based on different market demands, meeting diverse customer expectations; different nut qualities and grades result in different prices. Grading helps determine the price of different grades, thus providing more choices in the market to meet the budgets and needs of different consumers.

[0003] However, existing patents have the following drawbacks:

[0004] (1) Existing technologies are too long and too large, and their connection with other equipment is limited by space, resulting in low flexibility and low screening efficiency.

[0005] (2) Existing technology cannot adjust the angle of the screening device, which is very troublesome every time the material is fed, resulting in low screening efficiency;

[0006] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0007] To solve the above problems, the technical solution of this utility model is: a multi-stage nut screening device, including a transmission device and a lifting device, which solves the problems of the current screening device being too large, having low flexibility, being limited by space, and being unable to adjust the angle of the screening device, making each feeding and discharging process very troublesome.

[0008] Preferably, the screening shell has a lifting device connected to its lower end;

[0009] A transmission device is connected to the inner wall of the screening shell. The transmission device includes a motor, a fixed shaft, a gear, a gear, and a connecting shaft. The motor is connected to one end of the screening shell. One end of the fixed shaft is connected to the output end of the motor and the other end is connected to the gear. The gear and gear are meshed. One end of the connecting shaft is rotatably connected to the screening shell and the other end is connected to the gear.

[0010] A sieve cylinder is fixedly connected to one end of a gear, and the sieve cylinder has a sieve hole.

[0011] Screen cylinder two, which is fixedly connected to one end of gear one, has two screen holes. Screen cylinder three, which is fixedly connected to one end of gear one, has three screen holes.

[0012] The fourth sieve cylinder is fixedly connected to one end of the gear one. The fourth sieve cylinder has four sieve holes. The diameters of the sieve holes one, two, three and four of the sieve cylinders decrease sequentially.

[0013] Connecting plate one, one end of which is connected to screen cylinder one;

[0014] Connecting plate two, one end of which is connected to screen cylinder two;

[0015] Connecting plate three, one end of which is connected to screen cylinder three;

[0016] Connecting plate four, one end of which is connected to screen cylinder four;

[0017] Hinge block one, which is fixedly connected to the bottom end of the screening shell;

[0018] A hinge rod, the two ends of which are connected to the inner side of the hinge block 1;

[0019] Hinge block two, which is sleeved on the surface of the hinge rod;

[0020] A fixing rod is fixedly connected to the lower end of the hinge block two.

[0021] Furthermore, the lifting device includes a lifting rod, a second motor, a mounting shaft, a first bevel gear, a threaded rod of the second bevel gear, and a limiting plate. The lifting rod is connected to the bottom end of the screening shell. The second motor is connected to one end of the lifting rod. One end of the mounting shaft is connected to the output end of the second motor, and the other end is connected to the first bevel gear. The second bevel gear meshes with the first bevel gear. The threaded rod passes through and connects to the second bevel gear. One end of the threaded rod is rotatably connected to the inner wall of the telescopic rod, and the other end is connected to the limiting plate. Both ends of the limiting plate are fixedly connected to the inner wall of the lifting rod. The limiting plate and the threaded rod are threadedly connected.

[0022] Furthermore, the anti-slip pad is connected to the bottom end of the lifting rod and the fixed rod.

[0023] Furthermore, the spiral guide bar is connected to one end of the gear.

[0024] Furthermore, the bottom ends of the connecting plate one, connecting plate two, connecting plate three, and connecting plate four are connected to the recycling trough.

[0025] The advantages of this invention compared to existing technologies are as follows:

[0026] (1) This utility model uses a transmission device. When in use, the motor is started, which causes the fixed shaft to start rotating, thereby driving the gear to start rotating. The gear starts rotating through the connecting shaft, which in turn drives the screen cylinders one, two, three, and four to rotate simultaneously. This shortens the length of the screening device, improves the flexibility of the screening device, and reduces the space restriction of the screening device.

[0027] (2) This utility model uses a lifting device. When in use, the motor 2 is started, which causes the mounting shaft to start rotating, which causes the bevel gear 1 to start rotating, which causes the bevel gear 2 to start rotating, which causes the threaded rod to start rotating, which causes the limit plate to start lifting, which causes the lifting rod 2 to start lifting, which causes the angle of the screening device to change, which facilitates feeding and discharging, and greatly improves the efficiency of the screening device. Attached Figure Description

[0028] Figure 1 This is a three-dimensional view of the entire utility model.

[0029] Figure 2 This is a three-dimensional view of the interior of this utility model.

[0030] Figure 3 This is a top-view sectional perspective view of this utility model.

[0031] Figure 4 This is a perspective view of the lifting device of this utility model.

[0032] As shown in the figure: 1. Screening shell; 2. Lifting device; 201. Lifting rod one; 202. Motor two; 203. Mounting shaft; 204. Bevel gear one; 205. Bevel gear two; 206. Threaded rod; 207. Limiting plate; 208. Limiting block; 209. Lifting rod two; 3. Transmission device; 301. Motor one; 302. Fixed shaft; 303. Gear two; 304. Gear one; 305. Connecting shaft; 4. Screen cylinder one; 5. Screen cylinder two; 6. Screen cylinder three; 7. Screen cylinder four; 8. Connecting plate one; 9. Connecting plate two; 10. Connecting plate three; 11. Connecting plate four; 12. Hinge block one; 13. Hinge rod; 14. Hinge block two; 15. Anti-slip pad; 16. Spiral guide bar; 17. Recycling trough; 18. Fixed rod. Detailed Implementation

[0033] Example 1

[0034] like Figure 1-4As shown, a multi-stage nut screening device includes a screening shell 1, a transmission device 3, a first sieve cylinder 4, a second sieve cylinder 5, a third sieve cylinder 6, a fourth sieve cylinder 7, a first connecting plate 8, a second connecting plate 9, a third connecting plate 10, a fourth connecting plate 11, a first hinge block 12, a hinge rod 13, a second hinge block 14, and a fixing rod 18. The lower end of the screening shell 1 is connected to a lifting device 2, the transmission device 3 is connected to the inner wall of the screening shell 1, the first sieve cylinder 4, the second sieve cylinder 5, the third sieve cylinder 6, and the fourth sieve cylinder 7 are connected to one end of the transmission device, and the surfaces of the first sieve cylinder 4, the second sieve cylinder 5, the third sieve cylinder 6, and the fourth sieve cylinder 7 are respectively provided with sieve holes 1, 2, 3, and 4, with the diameter decreasing sequentially. The first connecting plate 8, the second connecting plate 9, the third connecting plate 10, and the fourth connecting plate 11 are respectively connected to one end of the first sieve cylinder 4, the second sieve cylinder 5, the third sieve cylinder 6, and the fourth sieve cylinder 7. In use, the size of the nuts can be screened.

[0035] Hinged block 12 is fixedly connected to the bottom end of the screening shell 1. The two ends of the hinge rod 13 are connected to the inner side of hinged block 12. Hinged block 2 14 is sleeved on the surface of the hinge rod 13. The fixing rod 18 is fixedly connected to the lower end of hinged block 2 14. When the screening device is used, the angle can be adjusted so that the fixing rod 18 can adapt to various angles.

[0036] The transmission device 3 includes: a motor 301, a fixed shaft 302, a gear 303, a gear 304, and a connecting shaft 305. The motor 301 is connected to one end of the screening shell 1. One end of the fixed shaft 302 is connected to the output end of the motor 301, and the other end is connected to the gear 303. The gear 303 meshes with the gear 304. One end of the connecting shaft 305 is rotatably connected to the screening shell 1, and the other end is connected to the gear 304. When in use, the motor 301 is started, which causes the fixed shaft 302 to start rotating, thereby driving the gear 303 to start rotating. Through the connecting shaft 305, the gear 304 starts rotating, thereby driving the screen cylinders 4, 5, 6, and 7 to rotate simultaneously. This shortens the length of the screening device, improves the flexibility of the screening device, and reduces the space restrictions imposed by the screening device.

[0037] Lifting device 2 includes: lifting rod 201, motor 202, mounting shaft 203, bevel gear 204, bevel gear 205, threaded rod 206, limiting plate 207, limiting block 208, lifting rod 209, which is connected to the bottom end of hinge block 214. Lifting rod 201 is sleeved on the surface of lifting rod 209. Motor 202 is connected to one end of lifting rod 201. One end of mounting shaft 203 is connected to the output end of motor 202, and the other end is connected to bevel gear 204. Bevel gear 205 meshes with bevel gear 204. Threaded rod 206 passes through bevel gear 205 and is rotatably connected to lifting rod 206. The inner wall of the lowering rod 201 is connected to the limiting plate 207 at one end. The two ends of the limiting plate 207 are fixedly connected to the inner wall of the lifting rod 209. The limiting plate 207 and the threaded rod 206 are threadedly connected. The bottom end of the limiting block 208 is fixedly connected to the threaded rod 206. When in use, the motor 202 is started, which causes the mounting shaft 203 to start rotating, which causes the bevel gear 204 to start rotating, which causes the bevel gear 205 to start rotating, which causes the threaded rod 206 to start rotating, which causes the limiting plate 207 to start rising and falling, which causes the lifting rod 209 to start rising and falling, thus changing the angle of the screening device, facilitating feeding and discharging, and greatly improving the efficiency of the screening device.

[0038] Example 2

[0039] The following describes the solution in Example 1 in more detail with reference to the specific working method: The anti-slip pad 15 is connected to the bottom of the lifting rod 201 and the fixed rod 18, which can prevent slippage when the screening device is started and protect the machine from damage.

[0040] Example 3

[0041] The following describes the solution in Example 1 in more detail with reference to the specific working method: The spiral guide 16 is connected to one end of the gear 304, which can make the distance of the nuts longer during the screening process, so that the nuts can be screened more thoroughly and the screening can be more accurate.

[0042] Example 3

[0043] The following describes the solution in Example 1 in more detail with reference to the specific working method: The bottom ends of connecting plate 1, 8, 9, 10, and 11 are connected to the recycling tank 17, which can classify and recycle the sifted nuts.

[0044] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power. The main controller can be a conventional known device such as a computer for control. The detailed description of known functions and components is omitted in the specific implementation of this disclosure. To ensure the compatibility of the device, the operating methods used are consistent with the parameters of commercially available instruments.

[0045] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A multi-stage nut screening device, characterized in that, include: Screening shell (1), the lower end of which is connected to a lifting device (2); The transmission device (3) is connected to the inner wall of the screening shell (1). The transmission device (3) includes a motor (301), a fixed shaft (302), a gear (303), a gear (304), and a connecting shaft (305). The motor (301) is connected to one end of the screening shell (1). One end of the fixed shaft (302) is connected to the output end of the motor (301), and the other end is connected to the gear (303). The gear (303) meshes with the gear (304). One end of the connecting shaft (305) is rotatably connected to the screening shell (1), and the other end is connected to the gear (304). A sieve cylinder (4) is fixedly connected to one end of a gear (304), and the sieve cylinder (4) has a sieve hole. The second sieve cylinder (5) is fixedly connected to one end of the gear (304), and the second sieve cylinder (5) has a second sieve hole. The sieve cylinder three (6) is fixedly connected to one end of the gear one (304), and the sieve cylinder three (6) has a sieve hole three; The sieve cylinder four (7) is fixedly connected to one end of the gear one (304). The sieve cylinder four (7) has sieve holes four. The diameters of the sieve holes one, two, three and four of the sieve cylinder one (4), sieve cylinder two (5), sieve cylinder three (6) and sieve cylinder four (7) decrease sequentially. Connecting plate 1 (8), one end of which is connected to screen cylinder 1 (4); Connecting plate two (9), one end of which is connected to screen cylinder two (5); Connecting plate three (10), one end of which is connected to screen cylinder three (6); Connecting plate four (11), one end of which is connected to screen cylinder four (7); Hinge block one (12), which is fixedly connected to the bottom end of the screening shell (1); A hinge rod (13), the two ends of which are connected to the inner side of the hinge block (12); Hinge block two (14), which is sleeved on the surface of hinge rod (13); A fixing rod (18) is fixedly connected to the lower end of the hinge block two (14).

2. The multi-stage nut screening device according to claim 1, characterized in that, The lifting device (2) includes a lifting rod (201), a motor (202), a mounting shaft (203), a bevel gear (204), a bevel gear (205), a threaded rod (206), a limiting piece (207), a limiting block (208), and a lifting rod (209). The lifting rod (209) is connected to the bottom end of the hinge block (14). The lifting rod (201) is sleeved on the surface of the lifting rod (209). The motor (202) is connected to one end of the lifting rod (201), and one end of the mounting shaft (203) is connected to the motor (202). The output end is connected to bevel gear one (204) at the other end. Bevel gear two (205) meshes with bevel gear one (204). The threaded rod (206) passes through and connects to bevel gear two (205). One end of the threaded rod (206) is rotatably connected to the inner wall of lifting rod one (201), and the other end is connected to a limiting piece (207). Both ends of the limiting piece (207) are fixedly connected to the inner wall of lifting rod two (209). The limiting piece (207) and the threaded rod (206) are threadedly connected. The bottom end of the limiting block (208) is fixedly connected to the threaded rod (206).

3. The multi-stage nut screening device according to claim 2, characterized in that, The bottom ends of the lifting rod (201) and the fixed rod (18) are both provided with anti-slip pads (15).

4. The multi-stage nut screening device according to claim 1, characterized in that, One end of the gear (304) is provided with a spiral guide (16), which is located inside the screen cylinder (4).

5. The multi-stage nut screening device according to claim 1, characterized in that, The bottom ends of the connecting plate one (8), connecting plate two (9), connecting plate three (10), and connecting plate four (11) are connected to the recycling tank (17).

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