Device for selecting and grading peanut seeds according to plumpness

Abstract

The utility model relates to a device for selecting and grading peanut seeds according to plumpness, in particular to the technical field of seed production equipment. The multi-stage screening device comprises the first side plate, the second side plate, the middle plate, the first screen, the second screen, the shifting mechanisms and the fixing mechanism, the two shifting mechanisms are arranged, the driving motor drives the screw to rotate at a time to achieve simultaneous movement of the two shifting mechanisms, and therefore multi-stage screening is achieved at the same time; a driving motor is started to drive a screw rod to rotate to drive a rack to move left and right and then drive a gear to rotate, and the gear rotates to drive a poke rod to swing left and right to poke peanut seeds, so that the peanut seeds do arc-shaped motion on an arc-shaped first screen, and on one hand, particle screening of the peanut seeds is accelerated; on the other hand, it is guaranteed that peanut seeds are screened more thoroughly, and the screening efficiency and quality of the peanut seeds are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of seed production equipment, in particular to a peanut seed selection and grading device according to fullness. Background Art

[0002] Peanut, also known as groundnut, is a dicotyledonous plant with reticulate leaf veins and seeds covered with peanut peel.

[0003] During the production process, peanut seeds need to be graded and screened according to their fullness. Existing screening devices cannot screen peanut seeds quickly and thoroughly, and cannot perform multi-level screening at the same time, which affects the efficiency and quality of peanut seed screening. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] The utility model provides a peanut seed selection and grading device according to fullness, which overcomes the shortcomings of the existing screening device that the peanut seeds cannot be screened quickly and thoroughly, and multi-level screening cannot be achieved simultaneously during screening, thus affecting the efficiency and quality of peanut seed screening.

[0006] (2) Technical solution

[0007] In order to solve the above technical problems, the utility model provides a peanut seed selection and grading device according to fullness, comprising a first side plate, a second side plate, an intermediate plate, a first screen, a second screen, a toggle mechanism, and a fixing mechanism, wherein the intermediate plate is vertically arranged between the first side plate and the second side plate, the first screen is slidably connected between the first side plate and the inner wall of the intermediate plate, the second screen is slidably connected between the second side plate and the inner wall of the intermediate plate, the first screen and the second screen are arranged in a stepped distribution and the mesh of the first screen is larger than the mesh of the second screen, the toggle mechanism is respectively arranged above the first screen and the second screen, and the screw is rotatably installed between the upper inner walls of the first side plate and the second side plate. Rod, the screw is driven by a driving motor, the middle part of the screw is not provided with a thread, and a section of thread with opposite threads is provided on both sides of the middle part, each section of the thread is correspondingly provided with a moving block, and the two moving blocks are correspondingly connected to the two toggle mechanisms, a limit rod is provided just above the screw, a limit slot is horizontally provided in the limit rod, the upper end of the moving block is connected with the limit block, and the limit block is slidably connected to the limit slot, the first side plate, the second side plate and the middle plate are all provided with fixing mechanisms for fixing the first screen and the second screen, a material guide port is provided on the middle plate corresponding to the second screen, and a material guide plate inclined toward the material guide port is connected between the first side plate and the middle plate below the first screen.

[0008] Preferably, the toggle mechanism includes a gear mounting frame for installing gears, gears, screws, connecting rods, racks, and a toggle rod. A connecting rod is fixed to the lower end of the moving block, a rack is fixedly connected to the lower end of the connecting rod, the rack is meshed with the gear, and the upper end of the toggle rod is welded to the gear.

[0009] Preferably, both ends of the first screen and the second screen are provided with a clamping block, the first screen and the second screen are in an arc shape, the first side plate, the second side plate and the middle plate are provided with a clamping groove for sliding connection with the clamping block, and the clamping block is provided with a fixing groove on the side close to the clamping groove.

[0010] Preferably, the fixing mechanism includes a pull rod, a fixing plate, a fixing rod, and a spring. The fixing plate is provided on the outer walls of the first side plate, the second side plate, and the middle plate. One side of the pull rod is connected to one end of the fixing rod. The other end of the fixing rod passes through the fixing plate and is embedded in the fixing groove. The spring is connected between the pull rods above and below the fixing rod and the fixing plate.

[0011] Preferably, a guide hopper is provided below the second screen.

[0012] (3) Beneficial effects

[0013] The utility model provides a peanut seed selection and grading device according to the fullness, which overcomes the shortcomings of the existing screening device that cannot achieve rapid and thorough screening of peanut seeds, and cannot achieve multi-level screening at the same time during screening, which affects the efficiency and quality of peanut seed screening. Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. By setting up a toggle mechanism, starting the drive motor drives the screw to rotate, drives the rack to move left and right, and then drives the gear to rotate. While the gear rotates, it drives the toggle rod to swing left and right to toggle the peanut seeds, so that the peanut seeds move in an arc on the first arc-shaped screen. On the one hand, it speeds up the particle screening of peanut seeds, and on the other hand, it ensures that the screening of peanut seeds is more thorough, thereby improving the screening efficiency and quality of peanut seeds.

[0015] 2. There is no thread in the middle of the screw and a section of thread with opposite threads is provided on both sides of the middle. A moving block is correspondingly provided on each section of the thread. The two moving blocks are correspondingly connected to the two toggle mechanisms. Through such an arrangement, the two toggle mechanisms can be moved simultaneously by driving the screw to rotate once by a driving motor, thereby realizing multi-stage screening at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the utility model.

[0017] Figure 2 It is a schematic structural diagram of the first screen of the utility model.

[0018] Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0019] The accompanying drawings are marked as: 1-first side plate, 2-second side plate, 3-middle plate, 31-material guide port, 4-first screen, 5-second screen, 6-limit rod, 61-limit slot, 7-limit block, 8-gear mounting frame, 9-gear, 10-screw, 101-moving block, 11-driving motor, 12-connecting rod, 13-rack, 14-toggle rod, 15-block, 151-fixed slot, 16-slot, 17-fixing mechanism, 171-pull rod, 172-fixed plate, 173-fixed rod, 174-spring, 18-material guide plate, 19-material guide hopper. DETAILED DESCRIPTION

[0020] The utility model is further described in conjunction with the accompanying drawings and embodiments.

[0021] like Figures 1 to 3As shown, a peanut seed selection and grading device according to fullness described in the utility model comprises a first side plate 1, a second side plate 2, an intermediate plate 3, a first screen 4, a second screen 5, a toggle mechanism, and a fixing mechanism 17. The intermediate plate 3 is vertically arranged between the first side plate 1 and the second side plate 2. The first screen 4 is slidably connected between the first side plate 1 and the inner wall of the intermediate plate 3. The second screen 5 is slidably connected between the second side plate 2 and the inner wall of the intermediate plate 3. The first screen 4 and the second screen 5 are arranged in a stepped distribution, and the mesh of the first screen 4 is larger than the mesh of the second screen 5. A toggle mechanism is respectively provided above the first screen 4 and the second screen 5, and the screw 10 is rotatably installed between the upper inner walls of the first side plate 1 and the second side plate 2, and the screw 10 is driven by a driving motor 11. The middle part of the screw 10 is not provided with a thread, and a section of thread with opposite threads is provided on both sides of the middle part, and a moving block 101 is correspondingly provided on each section of the thread. The two moving blocks 101 are correspondingly connected to the two toggle mechanisms. Through such a configuration, the driving motor 11 can drive the screw 10 to rotate once to realize the simultaneous movement of the two toggle mechanisms, thereby realizing multi-stage screening at the same time. A limiting rod 6 is provided directly above the screw rod 10, and a limiting groove 61 is horizontally provided in the limiting rod 6. The upper end of the movable block 101 is connected to a limiting block 7, and the limiting block 7 is slidably connected to the limiting groove 61. The first side plate 1, the second side plate 2 and the middle plate 3 are all provided with a fixing mechanism 17 for fixing the first screen 4 and the second screen 5. A material guide port 31 is provided on the middle plate 3 corresponding to the upper side of the second screen 5, and a material guide plate 18 inclined toward the material guide port 31 is connected between the first side plate 1 and the middle plate 3 below the first screen 4.

[0022] The toggle mechanism includes a gear mounting frame 8 for mounting a gear 9, a gear 9, a screw 10, a connecting rod 12, a rack 13, and a toggle rod 14. The lower end of the moving block 101 is fixed with a connecting rod 12, the lower end of the connecting rod 12 is fixedly connected with a rack 13, the rack 13 is meshed with the gear 9, and the upper end of the toggle rod 14 is welded to the gear 9.

[0023] Both ends of the first screen 4 and the second screen 5 are provided with a clamping block 15, the first screen 4 and the second screen 5 are in an arc shape, the first side plate 1, the second side plate 2 and the middle plate 3 are provided with a clamping groove 16 for sliding connection with the clamping block 15, and the clamping block 15 is provided with a fixing groove 151 on one side close to the clamping groove 16.

[0024] The fixing mechanism 17 includes a pull rod 171, a fixing plate 172, a fixing rod 173, and a spring 174. The fixing plate 172 is provided on the outer walls of the first side plate 1, the second side plate 2 and the middle plate 3. One side of the pull rod 171 is connected to one end of the fixing rod 173. The other end of the fixing rod 173 passes through the fixing plate 172 and is embedded in the fixing groove 151. The spring 174 is connected between the pull rod 171 and the fixing plate 172 above and below the fixing rod 173. A guide hopper 19 is provided below the second screen 5.

[0025] In actual work, the peanut seeds to be screened are put into the first screen 4, and the driving motor 11 is started to drive the screw 10 to rotate, drive the rack 13 to move left and right, and then drive the gear 9 to rotate. While the gear 9 rotates, it drives the toggle rod 14 to swing left and right to realize the toggle of the peanut seeds, so that the peanut seeds make an arc movement on the arc-shaped first screen 4, which on the one hand accelerates the particle screening of the peanut seeds, and on the other hand ensures that the screening of the peanut seeds is more thorough. The larger particles are retained on the first screen 4, while the smaller particles pass through the first screen 4 and fall onto the guide plate 18 and enter the second screen 5 along the guide plate 18 for further screening (the screening principle is the same as the first screening). After the second screening, the relatively larger particles are retained on the second screen 5, while the relatively smaller particles pass through the second screen 5 and fall into the guide hopper 19 and are discharged. The peanut seeds remaining on the first screen 4 and the second screen 5 can be pulled out of the first screen 4 and the second screen 5 from the card slot 16 by pulling the pull rod 171 to drive the fixing rod 173 to disengage from the fixing slot 153, and the peanut seeds on the first screen 4 and the second screen 5 are removed. The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0026] The above-mentioned embodiments only express the preferred implementation of the utility model, and the description is relatively specific and detailed, but the utility model is not limited to these embodiments. It should be pointed out that for ordinary technicians in this field. Under the premise of not departing from the purpose of the utility model, any improvement made shall fall within the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A peanut seed selection and grading device according to fullness, characterized in that: The invention comprises a first side plate (1), a second side plate (2), an intermediate plate (3), a first screen (4), a second screen (5), a toggle mechanism and a fixing mechanism (17); the intermediate plate (3) is vertically arranged between the first side plate (1) and the second side plate (2); the first screen (4) is slidably connected between the inner wall of the first side plate (1) and the intermediate plate (3); the second screen (5) is slidably connected between the inner wall of the second side plate (2) and the intermediate plate (3); the first screen (4) and the second screen (5) are arranged in a stepped distribution and the mesh of the first screen (4) is larger than the mesh of the second screen (5); the toggle mechanism is respectively arranged above the first screen (4) and the second screen (5); the screw rod (10) is rotatably installed between the upper inner wall of the first side plate (1) and the second side plate (2); the screw rod (10) is driven by a driving motor (1 ... The middle part of the screw rod (10) is not provided with a thread and a section of thread with opposite threads is provided on both sides of the middle part, and a moving block (101) is correspondingly provided on each section of the thread, and the two moving blocks (101) are correspondingly connected to the two toggle mechanisms, a limiting rod (6) is provided just above the screw rod (10), and a limiting groove (61) is horizontally provided in the limiting rod (6), and the upper end of the moving block (101) is connected to a limiting block (7), and the limiting block (7) is slidably connected to the limiting groove (61), and the first side plate (1), the second side plate (2) and the middle plate (3) are all provided with a fixing mechanism (17) for fixing the first screen (4) and the second screen (5), and a material guide port (31) is provided on the middle plate (3) corresponding to the upper part of the second screen (5), and a material guide plate (18) inclined toward the material guide port (31) is connected between the first side plate (1) and the middle plate (3) below the first screen (4).

2. The peanut seed selection and grading device according to fullness according to claim 1, characterized in that: The toggle mechanism comprises a gear mounting frame (8) for mounting a gear (9), a gear (9), a screw rod (10), a connecting rod (12), a rack (13), and a toggle rod (14); the lower end of the moving block (101) is fixed with a connecting rod (12); the lower end of the connecting rod (12) is fixedly connected with a rack (13); the rack (13) is meshed with the gear (9); and the upper end of the toggle rod (14) is welded to the gear (9).

3. The peanut seed selection and grading device according to fullness according to claim 1, characterized in that: Blocks (15) are provided at both ends of the first screen (4) and the second screen (5); the first screen (4) and the second screen (5) are in an arc shape; the first side plate (1), the second side plate (2) and the middle plate (3) are provided with a slot (16) for slidingly connecting with the block (15); a fixing slot (151) is provided on a side of the block (15) close to the slot (16).

4. The peanut seed selection and grading device according to fullness according to claim 3, characterized in that: The fixing mechanism (17) comprises a pull rod (171), a fixing plate (172), a fixing rod (173), and a spring (174); the fixing plate (172) is provided on the outer walls of the first side plate (1), the second side plate (2), and the middle plate (3); one side of the pull rod (171) is connected to one end of the fixing rod (173); the other end of the fixing rod (173) passes through the fixing plate (172) and is embedded in the fixing groove (151); the spring (174) is connected between the pull rod (171) and the fixing plate (172) above and below the fixing rod (173).

5. The peanut seed selection and grading device according to fullness according to claim 1, characterized in that: A material guide hopper (19) is provided below the second screen (5).

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