Seed screening device for planting

Abstract

The utility model relates to the technical field of screening devices, in particular to a seed screening device for planting, which comprises a base, supporting legs fixed at the lower end of the base, a groove formed in the upper end of the base and a supporting column fixed at the bottom of the groove, and the upper end of the supporting column is fixedly connected with an inclined plate for collecting seeds. A surrounding plate is integrally and fixedly connected to the upper end of the inclined plate, a supporting rod is fixedly connected to the upper end of the edge of the base, a spring is installed at the upper end of the supporting rod, a bearing frame is installed at the telescopic end of the spring, and a screening mechanism for screening seeds is installed in the bearing frame; the upper end of the bearing frame is fixedly connected with a first material guiding frame for guiding seeds to enter the screening mechanism, the lower end of the bearing frame is fixedly connected with a second material guiding frame for guiding the seeds to enter the inclined plate, and a vibration motor is installed on the outer wall of the bearing frame. According to the utility model, flexible replacement and easy maintenance of the screen are realized, and meanwhile, the screening efficiency is improved, so that the grading screening of seeds is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to screening device technical field especially seed screening device for planting. BACKGROUND

[0002] In modern agricultural production, the quality of seeds is directly related to the yield and quality of crops, therefore, the seed screening work before planting is particularly important, effective screening can not only eliminate inferior seeds, ensure that all seeds for sowing are high-quality seeds, thereby improving the overall growth condition and final yield of crops, and laying a solid foundation for efficient and high-quality agricultural production.

[0003] However, the traditional seed screening device generally adopts a single-layer and fixed screen structure, which cannot realize grading treatment when screening seeds, thereby affecting the screening effect, and due to the fixed nature of the screen, it brings many inconveniences to its maintenance and replacement, in addition, the impurities generated in the screening process also lack effective collection, which undoubtedly increases the difficulty of subsequent cleaning work.

[0004] Therefore, in view of the fact that the traditional seed screening device adopts a single-layer fixed screen structure, which has the problems of difficult screen replacement and low screening efficiency, a seed screening device for planting can be designed to realize flexible replacement and easy maintenance of the screen, improve the screening efficiency, and make the seed grading screening more accurate. SUMMARY

[0005] In order to overcome the problem that the traditional seed screening device adopts a single-layer fixed screen structure, which has the problems of difficult screen replacement and low screening efficiency.

[0006] The technical scheme of the utility model is as follows: a seed screening device for planting, comprising a base, a support fixed at the lower end of the base, and a groove opened at the upper end of the base, further comprising a support column fixed at the bottom of the groove, the upper end of the support column being fixedly connected with a seed collecting inclined plate, the upper end of the inclined plate being integrally fixedly connected with a surrounding plate, the edge of the base being fixedly connected with a support rod at the upper end, the upper end of the support rod being provided with a spring, the extension end of the spring being provided with a receiving frame, the receiving frame being provided with a screening mechanism for screening seeds, the screening mechanism being composed of a sliding fixing structure, a recycling structure and a screen frame, the screen frame being provided with a screen, the upper end of the receiving frame being fixedly connected with a first material guiding frame for guiding seeds into the screening mechanism, the lower end of the receiving frame being fixedly connected with a second material guiding frame for guiding seeds into the inclined plate, and the outer wall of the receiving frame being provided with a vibration motor.

[0007] As a preferred, the sliding fixing structure comprises a sliding groove and a convex rail; the left and right inner walls of the receiving frame are provided with the sliding groove, the left and right ends of the screen frame are integrally fixedly connected with the convex rail matched with the sliding groove, the convex rail is slidingly connected in the sliding groove, and the sliding groove and the convex rail are both embedded with the magnets matched with each other, and the convex rail is fixed with the sliding groove through the magnets.

[0008] Preferably, the recycling structure comprises a waste chute and a recycling box; a waste chute for discharging impurities is arranged through the left end of the receiving frame, and the discharge opening of the waste chute is fixedly connected with the recycling box for collecting impurities.

[0009] Preferably, the sieve frame is a right-angle plate structure and three sieve frames are arranged, and the mesh size of the sieve net in each sieve frame decreases from top to bottom, and the impurities roll down to the feed opening of the waste chute through the sieve net.

[0010] Preferably, the two ends of the spring are fixedly connected with connecting pieces, and the upper end of the supporting rod and the lower end of the receiving frame are connected with the spring through the connecting pieces.

[0011] Preferably, the front end of the sieve frame is provided with a semi-hidden handle, and the inner wall of the handle is provided with anti-skid lines.

[0012] Preferably, the sieve net is fixedly connected with the sieve frame through bolts, wherein the sieve frame is provided with holes matched with the bolts, and the sieve net is provided with sieve holes matched with the bolts, and the bolts are threadedly connected with the holes in the sieve frame through the sieve holes.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. Compared with the traditional seed screening device, the sliding fixing structure and the recycling structure are designed, the flexible replacement and easy maintenance of the sieve frame are realized, the collection and recycling of impurities are effectively guaranteed, the cooperation of the spring and the vibration motor further improves the screening efficiency, the classification screening of seeds is more accurate, and great convenience and advantages are provided for users.

[0015] 2. A plurality of sieve nets are vertically arranged, and the mesh size of the sieve nets gradually decreases from top to bottom, so that the seeds can be screened according to the particle size during the process of passing through the sieve frame, so as to realize accurate separation and greatly improve the efficiency of screening work.

[0016] 3. The anti-skid design of the semi-hidden handle further improves the safety and practicality of the user when moving the sieve frame. DETAILED DESCRIPTION

[0017] Figure 1 The first three-dimensional structure of the seed screening device for planting is shown.

[0018] Figure 2 The second three-dimensional structure of the seed screening device for planting is shown.

[0019] Figure 3 The sliding fixing structure of the seed screening device for planting is shown.

[0020] Figure 4 A three-dimensional structure schematic view of a recycling structure of the seed screening device for planting is shown.

[0021] Figure 5 A three-dimensional structure schematic view of a handle of the seed screening device for planting is shown.

[0022] Marked with the following reference signs: 1, base; 2, supporting leg; 3, groove; 4, support column; 5, inclined plate; 6, fence; 7, supporting rod; 8, spring; 9, receiving frame; 10, screen frame; 11, screen mesh; 12, No. 1 material guiding frame; 13, No. 2 material guiding frame; 14, vibration motor; 15, chute; 16, convex rail; 17, waste trough; 18, recycling box; 19, handle. DETAILED DESCRIPTION

[0023] The utility model will be further explained in connection with the drawings and examples.

[0024] Please refer to Figures 1-5The utility model provides a kind of embodiment: seed screening device for planting, including base 1, fixed in the bottom end of base 1 support 2 and recess 3 being opened in the upper end of base 1, further include the support column 4 being fixed in the bottom of recess 3, the upper end of support column 4 is fixedly connected with the inclined plate 5 of seed collection, the upper end of inclined plate 5 is integrally fixedly connected with the fence 6, the edge upper end of base 1 is fixedly connected with support rod 7, the upper end of support rod 7 is installed with spring 8, the telescopic end of spring 8 is installed with receiving frame 9, receiving frame 9 is installed with the screening mechanism of seed screening inside, screening mechanism is composed of sliding fixed structure, recycling structure and screen frame 10, screen frame 10 is installed with screen 11 inside, the upper end of receiving frame 9 is fixedly connected with one No.

[0025] Please refer to Figure 3 And Figure 4In the embodiment, the sliding fixing structure comprises a sliding groove 15 and a convex rail 16; the inner walls of the left and right ends of the receiving frame 9 are provided with the sliding groove 15, the left and right ends of the screen frame 10 are integrally fixedly connected with the convex rail 16 matched with the sliding groove 15, the convex rail 16 is slidingly connected in the sliding groove 15, and the sliding groove 15 and the convex rail 16 are inlaid with magnets matched with each other; the recovery structure comprises a waste groove 17 and a recovery box 18; the left end of the receiving frame 9 is provided with the waste groove 17 for discharging impurities, and the recovery box 18 for collecting impurities is fixedly connected to the discharge opening of the waste groove 17; the screen frame 10 is a right-angle plate structure and is provided with three screen frames 10, the aperture of the screen mesh 11 in each screen frame 10 decreases from top to bottom, and the impurities roll to the feeding opening of the waste groove 17 through the screen mesh 11; the sliding fixing structure is composed of the sliding groove 15 and the convex rail 16, the sliding groove 15 is used for guiding and fixing the movement track of the convex rail 16, so that the convex rail 16 can smoothly slide in the sliding groove 15, and the flexible movement of the screen frame 10 in the receiving frame 9 is realized, so that the screen frame 10 is convenient to maintain or replace; in addition, the sliding groove 15 and the convex rail 16 are inlaid with magnets matched with each other, the convex rail 16 is firmly adsorbed in the sliding groove 15 through the magnetic force, so that the fixation of the screen frame 10 is realized, the fixation process is simplified, the screen frame 10 adopts the right-angle plate structure design, and the structure is not only simple and practical, but also convenient to install and disassemble. The three screen meshes 11 are arranged in the screen frame 10, so that the impurities falling on the screen mesh 11 can roll to the feeding opening of the waste groove 17, and the impurities are convenient to clean; in addition, the aperture of each screen mesh 11 decreases from top to bottom, so that the seeds can be classified and screened according to different particle sizes when passing through the screen frame 10, so that the accurate impurity separation is realized, the screening efficiency is improved, the recovery structure is composed of the waste groove 17 and the recovery box 18, the waste groove 17 provides a convenient discharge channel for the impurities, so that the impurities can directly roll into the recovery box 18, so that the collection and recovery of the impurities are realized, and the user only needs to take down the recovery box 18 from the discharge opening of the waste groove 17, so that the cleaning and recovery of the impurities and the cleaning of the recovery box 18 are easily completed.

[0026] Please refer to Figure 1 and Figure 5In the embodiment, the two ends of the spring 8 are fixedly connected with connecting pieces, the upper end of the supporting rod 7 and the lower end of the receiving frame 9 are connected with the spring 8 through the connecting pieces, the front end of the screen frame 10 is provided with a semi-hidden handle 19, the inner wall of the handle 19 is provided with anti-skid lines, the screen 11 is fixedly connected with the screen frame 10 through bolts, the screen frame 10 is provided with holes matched with the bolts, the screen 11 is provided with screen holes matched with the bolts, the bolts are threadedly connected with the holes in the screen frame 10 through the screen holes, the spring 8 provides elastic support, so that the receiving frame 9 can vibrate under the driving of the vibration motor 14, thereby realizing the screening of the seeds, the connecting pieces are bridges between the spring 8 and the supporting rod 7 and the receiving frame 9, which ensure that the spring 8 can be fixed at the required position, the connecting pieces can be connecting plates, connecting blocks and other connectable objects, the front end of the screen frame 10 is provided with a semi-hidden handle 19, which makes the user can easily lift and move the screen frame 10, the inner wall of the handle 19 is provided with anti-skid lines to increase the stability and safety when the user holds it, the screen frame 10 is provided with holes matched with the bolts for fixing the screen 11.

[0027] In the working process, the user first sends the seeds to be screened into the receiving frame 9 through the No. 1 material guide frame 12, then starts the vibration motor 14, the vibration motor 14 drives the receiving frame 9 to vibrate, and then drives the screen 11 inside to vibrate and screen, during the screening process, impurities and unqualified seeds will fall through the screen 11 into the waste groove 17 and be introduced into the recycling box 18 through the waste groove 17, while the qualified seeds will pass through the screen 11 and fall on the inclined plate 5 below under the guidance of the No. 2 material guide frame 13, and then roll to the collection container under the action of gravity;

[0028] If the screen 11 needs to be replaced, the handle 19 is pulled, the screen frame 10 is pulled out of the receiving frame 9 under the guidance of the convex rail 16, the replacement operation of the screen 11 is performed, after the replacement is completed, the screen frame 10 is pushed back into the receiving frame 9, at this time, the convex rail 16 and the magnet provided in the sliding groove 15 will be attracted to each other, ensuring that the screen frame 10 is stably fixed in the receiving frame 9.

[0029] Through the above steps, compared with the traditional seed screening device, the flexible replacement and easy maintenance of the screen frame 10 are realized through the design of the sliding fixing structure and the recycling structure, the collection and recycling of impurities are effectively ensured, and the screening efficiency is further improved through the cooperation of the spring 8 and the vibration motor 14, so that the classification screening of the seeds is more accurate, which provides great convenience and advantage for the user, and solves the problems of difficult replacement of the screen 11 and low screening efficiency of the traditional seed screening device which mainly adopts a single layer fixed screen 11 structure.

[0030] The embodiment of the utility model is explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A seed screening device for planting, comprising a base (1), a supporting leg (2) fixed at the lower end of the base (1), and a recess (3) opened at the upper end of the base (1); characterized in that: The invention also includes a support (4) fixed at the bottom of the groove (3), the upper end of the support (4) is fixedly connected to an inclined plate (5) for collecting seeds, the upper end of the inclined plate (5) is fixedly connected to a surrounding plate (6), the upper end of the edge of the base (1) is fixedly connected to a support rod (7), the upper end of the support rod (7) is installed with a spring (8), the telescopic end of the spring (8) is installed with a receiving frame (9), a screening mechanism for screening seeds is installed in the receiving frame (9), the screening mechanism consists of a sliding fixed structure, a recovery structure and a screen frame (10), a screen (11) is installed in the screen frame (10), the upper end of the receiving frame (9) is fixedly connected to a No. 1 feed frame (12) for guiding seeds into the screening mechanism, the lower end of the receiving frame (9) is fixedly connected to a No. 2 feed frame (13) for guiding seeds into the inclined plate (5), and the outer wall of the receiving frame (9) is installed with a vibration motor (14).

2. The seed screening device for planting according to claim 1, characterized in that: The sliding fixing structure comprises a slide groove (15) and a convex rail (16); the inner walls of the left and right ends of the receiving frame (9) are provided with slide grooves (15); the left and right ends of the screen frame (10) are integrally fixedly connected with convex rails (16) adapted to the slide groove (15); the convex rails (16) are slidably connected in the slide groove (15); the slide groove (15) and the convex rails (16) are both inlaid with magnets adapted to each other, and the convex rails (16) are fixed to the slide groove (15) through the magnets.

3. The seed screening device for planting according to claim 1, wherein: The recycling structure comprises a waste trough (17) and a recycling box (18); the left end of the receiving frame (9) is penetrated by a waste trough (17) for discharging impurities, and the discharge slot of the waste trough (17) is fixedly connected to the recycling box (18) for collecting impurities.

4. The seed screening device for planting according to claim 3, wherein: The screen frame (10) is a right-angle plate structure and is provided with three of them. The aperture of the screen (11) in each screen frame (10) decreases from top to bottom, and impurities roll down to the feed slot of the waste trough (17) through the screen (11).

5. The seed screening device for planting according to claim 1, wherein: Both ends of the spring (8) are fixedly connected with connecting pieces, and the upper end of the support rod (7) and the lower end of the supporting frame (9) are connected to the spring (8) through the connecting pieces.

6. The seed screening device for planting according to claim 4, wherein: A semi-hidden handle (19) is provided at the front end of the screen frame (10), and an inner wall of the handle (19) is provided with anti-slip grooves.

7. The seed screening device for planting according to claim 4, wherein: The screen (11) is fixedly connected to the screen frame (10) by bolts, wherein the screen frame (10) is provided with holes adapted to the bolts, the screen (11) is provided with sieve holes adapted to the bolts, and the bolts pass through the sieve holes and are threadedly connected to the holes on the screen frame (10).

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