Multi-stage sorting device for trichosanthes kirilowii maxim seeds

Abstract

The utility model relates to the technical field of sorting devices, and discloses a multi-stage sorting device for trichosanthes kirilowii seeds, which comprises a frame body, a transmission mechanism and a sorting cylinder are respectively arranged on the frame body, the bottom end of the sorting cylinder is communicated with a second-stage discharge nozzle, and the upper part of the sorting cylinder is communicated with a discharge pipe. The surface of the transmission mechanism is in transmission connection with a vibration table capable of moving up and down and a material lifting shaft, the circumferential side face of the material lifting shaft is rotationally connected with a rotating cylinder, the rotating cylinder is in linkage with the material lifting shaft, the rotating cylinder is rotationally connected with the vibration table, the material lifting shaft is provided with a first-stage spiral screen piece rotationally attached to the rotating cylinder, and first-stage screen holes are evenly distributed in the first-stage spiral screen piece. Through the arrangement of the first-stage spiral screen piece and the second-stage spiral screen piece, a single-plate type screening structure of a traditional screening device is changed into a multi-layer screening structure, and through conversion of the multi-layer repeated screening structure, the screening precision of the device is effectively improved, and the wrong screening rate and the screening leakage rate of the device are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sorting devices, and more specifically, to a multi-stage sorting device for trichosanthes seeds. Background Art

[0002] In the production process of Trichosanthes seeds related products, in order to determine the quality grade of Trichosanthes seeds, the seeds need to be sorted. The usual sorting standard is the particle size of the seeds.

[0003] In the prior art, the patent document with publication number CN213967621 U discloses a sorting device for the size of Trichosanthes seeds, comprising a group of support rods, wherein a first sorting screen, a second sorting screen and a third sorting screen are sequentially arranged between the support rods on the left and right sides from top to bottom, wherein the first sorting screen, the second sorting screen and the third sorting screen comprise a sieve plate, and a vibration motor is fixedly connected to the bottom of the sieve plate. When the above device is sorting, the Trichosanthes seeds are screened by the primary sieve, the secondary sieve and the tertiary sieve in turn and sorted into primary, secondary and tertiary products, and the corresponding primary, secondary and tertiary products are discharged from the discharge port on the sieve plate. The above device has a simple structure, high sorting efficiency and high precision, but the above device has the following technical problems during screening:

[0004] 1. The existing device is a single-plate screening structure, which cannot achieve repeated screening of layers when screening Trichosanthes seeds;

[0005] 2. The existing device is not convenient for realizing the oscillating motion of the screening structure synchronously through a single motor, and thus is not convenient for reducing the production and use costs of the sorting device;

[0006] 3. The existing device cannot effectively improve the screening efficiency of the sorting device and achieve air cleaning of the sieve holes through airflow;

[0007] Based on this, the utility model provides a multi-stage sorting device for Trichosanthes seeds to solve the technical problems raised in the above background technology. Utility Model Content

[0008] In order to overcome the shortcomings of the prior art, the utility model provides a multi-stage sorting device for Trichosanthes seeds, which has the advantages of xxxxxxxx.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage sorting device for Trichosanthes seeds, comprising a frame, on which a transmission mechanism and a sorting drum are respectively installed, the bottom end of the sorting drum is connected with a secondary discharge nozzle, the upper part of the sorting drum is connected with a discharge pipe, the surface of the transmission mechanism is respectively connected with a vibration table and a lifting shaft that can move up and down, the peripheral side of the lifting shaft is rotatably connected with a rotary drum, the rotary drum is linked with the lifting shaft, the rotary drum is rotatably connected with the vibration table, and the lifting shaft is installed with a primary spiral screen that rotates in contact with the rotary drum The first-level spiral screen is evenly distributed with first-level sieve holes, and the circumferential side surface of the rotary drum is fixedly mounted with a second-level spiral screen that rotates with the sorting drum, and the second-level spiral screen is evenly distributed with second-level sieve holes. A drainage component that connects the conveying areas of the first-level spiral screen and the second-level spiral screen is installed inside the rotary drum, and the bottom end of the rotary drum is rotatably connected with a feed drum, and the bottom end of the feed drum is provided with a first-level discharge port, and the feed drum is connected with a feed pipe that is slidably connected with the sorting drum, and the surface of the frame is mounted with an air cleaning component corresponding to the first-level sieve holes and the second-level sieve holes.

[0010] As a preferred technical solution of the utility model, the drainage assembly includes a material guide ring cavity opened in the rotor, a group of drainage holes are opened in the inner upper part of the rotor, and a group of discharge holes are opened in the outer lower part of the rotor, and the drainage holes and the discharge holes are both connected to the material guide ring cavity.

[0011] As a preferred technical solution of the utility model, the transmission mechanism includes a motor fixed on the frame and a fixed shaft and a gear shaft rotatably connected to the inner wall of the frame, the fixed shaft is driven by the motor, and the gear shaft is driven by the fixed shaft. The interior of the lifting shaft is fixedly provided with an axis groove with a top opening and slidingly connected to the fixed shaft, and the cross-sections of the axis groove and the fixed shaft are both regular polygons. A reset spring is installed between the relative surfaces of the vibration table and the frame, and a vertically arranged driven gear plate is installed on the top surface of the vibration table. A half gear is fixedly installed on the gear shaft with a transmission connection to the driven gear plate.

[0012] As an optimal technical solution of the utility model, the inner wall of the vibration table is rotatably connected with a coupling, a linkage bevel gear is installed on the coupling, and driven bevel gears are installed on the upper parts of the rotary cylinder and the lifting shaft. The two driven bevel gears are both transmission-connected with the linkage bevel gear, and the two driven bevel gears are respectively arranged on both sides of the linkage bevel gear.

[0013] As an optimal technical solution of the utility model, the aperture of the secondary sieve hole is twice the aperture of the primary sieve hole, the primary sieve hole and the secondary sieve hole are both circular holes, and the axes of the primary sieve hole and the secondary sieve hole are parallel to the axis of the lifting shaft.

[0014] As a preferred technical solution of the utility model, the air cleaning component includes an air cleaning pump fixed to the top surface of the frame, an air cleaning annular cavity opened at the top of the sorting barrel, and an air cleaning flow channel opened in the fixed axis and the lifting axis. The air outlet port of the air cleaning pump is respectively connected to the air cleaning annular cavity and the air cleaning flow channel. A group of air cleaning holes 1 distributed in a circular array and connected to the air cleaning annular cavity are opened on the inner top of the sorting barrel, and a plurality of groups of air cleaning holes 2 regularly distributed and connected to the air cavity flow channel are opened on the lifting axis.

[0015] As a preferred technical solution of the utility model, the air outlet direction of the first air cleaning hole is vertically downward, the second air cleaning hole is arranged to be inclined downward, and the angle between the axis of the second air cleaning hole and the horizontal plane is 45°.

[0016] As a preferred technical solution of the utility model, the primary sieve holes and the secondary sieve holes are used for graded screening of Trichosanthes seeds.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] 1. The utility model changes the single-plate screening structure of the traditional screening device into a multi-layer screening structure by setting a primary spiral screen and a secondary spiral screen. By converting the multi-layer repeated screening structure, the screening accuracy of the device is effectively improved and the wrong screening and missed screening rates of the device are reduced.

[0019] 2. When the utility model is working, the oscillating motion of the screening structure can be synchronously realized by a single motor. Through the realization of the above technical effects, on the one hand, the production and use costs of the sorting device can be effectively reduced. On the other hand, the oscillating motion of the sorting mechanism can effectively improve the sorting efficiency of the sorting device for Trichosanthes seeds.

[0020] 3. When the utility model is working, through the setting of the air cleaning hole 1 and the air cleaning hole 2, on the one hand, the outflow rate of the trichosanthes seeds from the sieve hole can be effectively increased through the air flow, thereby improving the screening efficiency; on the other hand, through the high-pressure air flow, high-pressure air cleaning of the sieve hole can be achieved, thereby maintaining the high sorting performance of the air cleaning hole 1 and the air cleaning hole 2. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of a multi-stage sorting device for Trichosanthes seeds of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the first-stage spiral screen and the second air cleaning hole of the utility model;

[0023] Figure 3 For this utility model Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0024] Figure 4 For this utility model Figure 2 A schematic diagram of the local enlarged structure at B in the middle;

[0025] Figure 5 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point C in the middle.

[0026] In the figure: 1. frame; 2. sorting cylinder; 3. secondary discharge nozzle; 4. discharge pipe; 5. vibrating table; 6. lifting shaft; 7. rotary cylinder; 8. primary spiral screen; 9. primary screen hole; 10. secondary spiral screen; 11. secondary screen hole; 12. feed cylinder; 13. feed pipe; 14. guide ring cavity; 15. drainage hole; 16. discharge hole; 17. motor; 18. fixed shaft; 19. gear shaft; 20. reset spring; 21. driven gear plate; 22. half gear; 23. coupling; 24. air cleaning pump; 25. air cleaning ring cavity; 26. air cleaning flow channel; 27. air cleaning hole 1; 28. air cleaning hole 2. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0028] like Figures 1 to 5 As shown, the utility model provides a multi-stage sorting device for Trichosanthes seeds, comprising a frame 1, on which a transmission mechanism and a sorting cylinder 2 are respectively installed, the bottom end of the sorting cylinder 2 is connected to a secondary discharge nozzle 3, and the upper part of the sorting cylinder 2 is connected to a discharge pipe 4;

[0029] The surface of the transmission mechanism is respectively connected to a vibration table 5 and a material lifting shaft 6 that can move up and down. The peripheral side of the material lifting shaft 6 is rotatably connected to a rotary drum 7. The rotary drum 7 is linked with the material lifting shaft 6, and the rotary drum 7 is rotatably connected to the vibration table 5.

[0030] The inner wall of the vibrating table 5 is rotatably connected with a coupling 23, on which a linkage bevel gear is installed, and the upper parts of the rotary drum 7 and the lifting shaft 6 are both installed with driven bevel gears, and the two driven bevel gears are both transmission-connected with the linkage bevel gear, and the two driven bevel gears are respectively arranged on both sides of the linkage bevel gear;

[0031] The transmission mechanism includes a motor 17 fixed on the frame 1 and a fixed shaft 18 and a gear shaft 19 rotatably connected to the inner wall of the frame 1. The fixed shaft 18 is driven by the motor 17, and the gear shaft 19 is driven by the fixed shaft 18. The interior of the lifting shaft 6 is fixedly provided with an axis groove with a top opening and slidably connected to the fixed shaft 18. The cross sections of the axis groove and the fixed shaft 18 are both regular polygons.

[0032] By setting the shaft groove and the regular polygonal cross section of the fixed shaft 18, the fixed shaft 18 can continuously drive the lifting shaft 6 when the vibration table 5 vibrates up and down;

[0033] A return spring 20 is installed between the opposite surfaces of the vibration table 5 and the frame 1, a vertically arranged driven gear plate 21 is installed on the top surface of the vibration table 5, and a half gear 22 drivingly connected to the driven gear plate 21 is fixedly installed on the gear shaft 19;

[0034] By setting the half gear 22, the driven gear plate 21 and the return spring 20, after the motor 17 outputs the speed, the vibration table 5 can reciprocate up and down within the set stroke;

[0035] The vibration table 5 is vibrated up and down to realize the vibration screening operation of the primary spiral screen 8 and the secondary spiral screen 10, thereby effectively improving the sorting efficiency of the primary spiral screen 8 and the secondary spiral screen 10 for the Trichosanthes seeds;

[0036] A primary spiral screen 8 is installed on the lifting shaft 6 and is in rotation with the rotary drum 7. Primary screen holes 9 are evenly distributed on the primary spiral screen 8. A secondary spiral screen 10 is fixedly installed on the peripheral side of the rotary drum 7 and is in rotation with the sorting drum 2. Secondary screen holes 11 are evenly distributed on the secondary spiral screen 10.

[0037] The aperture of the secondary sieve hole 11 is twice the aperture of the primary sieve hole 9. Both the primary sieve hole 9 and the secondary sieve hole 11 are circular holes. The axes of the primary sieve hole 9 and the secondary sieve hole 11 are parallel to the axis of the lifting shaft 6.

[0038] The primary sieve hole 9 and the secondary sieve hole 11 are used for grading and screening of Trichosanthes seeds;

[0039] A drainage assembly is installed inside the rotary drum 7 to connect the conveying areas of the first-stage spiral screen 8 and the second-stage spiral screen 10;

[0040] The drainage assembly includes a guide ring cavity 14 opened in the swirl 7, a group of drainage holes 15 are opened in the inner upper part of the swirl 7, and a group of discharge holes 16 are opened in the outer lower part of the swirl 7. The drainage holes 15 and the discharge holes 16 are both connected to the guide ring cavity 14;

[0041] The bottom end of the rotary drum 7 is rotatably connected to a feed drum 12, the bottom end of the feed drum 12 is provided with a primary discharge port, and the feed drum 12 is connected to a feed pipe 13 which is slidably connected to the sorting drum 2;

[0042] The to-be-screened Trichosanthes seeds are put into the feed tube 12 through the feed pipe 13;

[0043] An air cleaning component corresponding to the primary sieve holes 9 and the secondary sieve holes 11 is installed on the surface of the frame 1 .

[0044] The air cleaning component includes an air cleaning pump 24 fixed to the top surface of the frame 1, an air cleaning annular cavity 25 opened at the top of the sorting barrel 2, and an air cleaning flow channel 26 opened in the fixed shaft 18 and the lifting shaft 6. The air outlet port of the air cleaning pump 24 is communicated with the air cleaning annular cavity 25 and the air cleaning flow channel 26 respectively.

[0045] A group of air cleaning holes 27 are arranged in a circular array on the inner top of the separation cylinder 2 and are connected to the air cleaning annular cavity 25. The air outlet direction of the air cleaning holes 27 is vertically downward.

[0046] The lifting shaft 6 is provided with a plurality of regularly distributed second air cleaning holes 28 connected to the air cavity flow channel. The second air cleaning holes 28 are arranged to be inclined downward, and the angle between the axis of the second air cleaning holes 28 and the horizontal plane is 45 degrees.

[0047] The working principle and use process of this utility model:

[0048] This device is mainly suitable for the screening operation of trichosanthes seeds. During screening, the motor 17 outputs the speed at a set power, and the air cleaning pump 24 continuously discharges high-pressure air. After the motor 17 outputs the speed, it drives the rotary drum 7, the lifting shaft 6 and the feed pipe 13 to vibrate back and forth within the set stroke, thereby realizing vibration feeding and vibration screening operations. After the motor 17 outputs the speed, the lifting directions of the first-level spiral screen 8 and the second-level spiral screen 10 are both upward. The trichosanthes seeds entering through the feed pipe 13 first enter the lifting area of ​​the first-level spiral screen 8, and the trichosanthes seeds entering the first-level spiral screen 8 are screened through the first-level sieve holes 9. Small-particle trichosanthes seeds are discharged through the first-level discharge port, and large-particle trichosanthes seeds enter the screening area of ​​the second-level spiral screen 10. After vibration screening by the second-level spiral screen 10, the large-particle trichosanthes seeds are discharged through the discharge pipe 4, and the small-particle trichosanthes seeds that meet the particle size are discharged through the second-level discharge nozzle 3.

[0049] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage sorting device for Trichosanthes seeds, comprising a frame (1), characterized in that: The frame (1) is respectively provided with a transmission mechanism and a sorting drum (2); the bottom end of the sorting drum (2) is connected with a secondary discharge nozzle (3); the upper part of the sorting drum (2) is connected with a discharge pipe (4); the surface of the transmission mechanism is respectively connected with a vibration table (5) and a lifting shaft (6) that can move up and down; the peripheral side of the lifting shaft (6) is rotatably connected with a rotary drum (7); the rotary drum (7) is linked with the lifting shaft (6); the rotary drum (7) is rotatably connected with the vibration table (5); a primary spiral screen (8) that is rotatably fitted with the rotary drum (7) is installed on the lifting shaft (6); the primary spiral screen (8) is evenly distributed with primary sieve holes (9); the rotary drum (7) is connected with the vibration table (5); the primary spiral screen (8) is connected with the primary sieve holes (9); ... A secondary spiral screen (10) is fixedly mounted on the peripheral side of the drum (7) and is rotatably fitted with the sorting drum (2). The secondary spiral screen (10) is evenly distributed with secondary sieve holes (11). A drainage component is installed inside the rotary drum (7) to connect the conveying areas of the primary spiral screen (8) and the secondary spiral screen (10). The bottom end of the rotary drum (7) is rotatably connected to a feed drum (12). The bottom end of the feed drum (12) is provided with a primary discharge port. The feed drum (12) is connected to a feed pipe (13) slidably connected to the sorting drum (2). An air cleaning component corresponding to the primary sieve holes (9) and the secondary sieve holes (11) is installed on the surface of the frame (1).

2. The multi-stage sorting device for Trichosanthes seeds according to claim 1, characterized in that: The drainage assembly comprises a guide ring cavity (14) opened in the rotor (7), a group of drainage holes (15) are opened in the inner upper part of the rotor (7), and a group of discharge holes (16) are opened in the outer lower part of the rotor (7), and the drainage holes (15) and the discharge holes (16) are both connected to the guide ring cavity (14).

3. The multi-stage sorting device for Trichosanthes seeds according to claim 1, characterized in that: The transmission mechanism comprises a motor (17) fixed on the frame (1) and a fixed shaft (18) and a gear shaft (19) rotatably connected to the inner wall of the frame (1); the fixed shaft (18) is driven by the motor (17); the gear shaft (19) is driven by the fixed shaft (18); an axis groove with a top opening fixedly provided inside the lifting shaft (6) and slidably connected to the fixed shaft (18); the cross-sections of the axis groove and the fixed shaft (18) are both regular polygons; a return spring (20) is installed between the relative surfaces of the vibration table (5) and the frame (1); a vertically arranged driven gear plate (21) is installed on the top surface of the vibration table (5); and a half gear (22) is fixedly installed on the gear shaft (19) and is transmission-connected to the driven gear plate (21).

4. The multi-stage sorting device for Trichosanthes seeds according to claim 3, characterized in that: The inner wall of the vibration table (5) is rotatably connected with a coupling shaft (23), and a linkage bevel gear is installed on the coupling shaft (23). The upper parts of the rotary drum (7) and the material lifting shaft (6) are both installed with driven bevel gears, and the two driven bevel gears are both transmission-connected with the linkage bevel gear, and the two driven bevel gears are respectively arranged on both sides of the linkage bevel gear.

5. The multi-stage sorting device for Trichosanthes seeds according to claim 4, characterized in that: The aperture of the secondary sieve hole (11) is twice the aperture of the primary sieve hole (9), the primary sieve hole (9) and the secondary sieve hole (11) are both circular holes, and the axes of the primary sieve hole (9) and the secondary sieve hole (11) are parallel to the axis of the material lifting shaft (6).

6. The multi-stage sorting device for Trichosanthes seeds according to claim 5, characterized in that: The air cleaning component comprises an air cleaning pump (24) fixed to the top surface of the frame (1), an air cleaning annular cavity (25) opened at the top of the sorting barrel (2), and an air cleaning flow channel (26) opened in the fixed shaft (18) and the lifting shaft (6); the air outlet port of the air cleaning pump (24) is respectively connected to the air cleaning annular cavity (25) and the air cleaning flow channel (26); the inner top of the sorting barrel (2) is provided with a group of air cleaning holes (27) distributed in a circumferential array and connected to the air cleaning annular cavity (25); and the lifting shaft (6) is provided with a plurality of groups of air cleaning holes (28) regularly distributed and connected to the air cavity flow channel.

7. The multi-stage sorting device for Trichosanthes seeds according to claim 6, characterized in that: The gas outlet direction of the first gas cleaning hole (27) is vertically downward, and the second gas cleaning hole (28) is arranged to be inclined downward, and the angle between the axis of the second gas cleaning hole (28) and the horizontal plane is 45°.

8. The multi-stage sorting device for Trichosanthes seeds according to claim 1, characterized in that: The primary sieve holes (9) and the secondary sieve holes (11) are used for graded screening of Trichosanthes seeds.

Images