Screening device for alfalfa seeds

Abstract

The utility model discloses a screening device for medicago sativa seeds, which belongs to the technical field of medicago sativa seed screening and comprises a bottom plate and an elastic telescopic rod mounted on the bottom plate, a support frame is mounted at one end of the elastic telescopic rod, a screening box is mounted on the support frame, and a support mechanism is mounted on the bottom plate. A vibrating motor is installed on the supporting mechanism, a top cover is installed on the screening box, a limiting plate is installed on the top cover in a sliding mode, an inserting block is installed on the limiting plate, inserting grooves matched with the inserting block are formed in the screening box, and a connecting block is installed at the bottom of the top cover. A third sliding block is arranged to be slidably connected with a third sliding groove, a screening net slides, the third sliding block slides in the third sliding groove, the screening net can be detached and cleaned, and the situation that the screening effect is affected due to the fact that the screening net is blocked is avoided; the connecting blocks are attached to the inner wall of the screening box so that the installed screening net can be limited.

Description

Technical Field

[0001] The utility model relates to a screening device, in particular to a screening device for alfalfa seeds, belonging to the technical field of alfalfa seed screening. Background Art

[0002] Alfalfa is a high-quality perennial legume forage with high grass yield, rich nutrition, high protein content, strong resistance and wide adaptability. It is known as the "king of forage" and plays a vital role in the development of modern animal husbandry and dairy industry. During the production process of alfalfa seeds, screening devices are required to screen alfalfa seeds into alfalfa seeds of different sizes for classification.

[0003] However, the existing screening device for alfalfa seeds cannot be easily disassembled and cleaned during actual use, which causes the screening net to be blocked, and thus easily affects the screening effect. Generally, workers are required to use professional tools to remove bolts to disassemble the screening net, which is inconvenient. Utility Model Content

[0004] The main purpose of the utility model is to solve the problem that the screening net cannot be conveniently disassembled and cleaned, and to provide a screening device for alfalfa seeds.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] A screening device for alfalfa seeds comprises a base plate and an elastic telescopic rod installed on the base plate, one end of the elastic telescopic rod is installed with a supporting frame, a screening box is installed on the supporting frame, a supporting mechanism is installed on the base plate, a vibration motor is installed on the supporting mechanism, a top cover is installed on the screening box, a limit plate is slidably installed on the top cover, an insert block is installed on the limit plate, a slot that cooperates with the insert block is provided on the screening box, a connecting block is installed at the bottom of the top cover, a first connecting plate is installed on the connecting block, a third sliding block is installed on the first connecting plate, a third sliding groove that cooperates with the third sliding block is provided on the connecting block, a connecting rod is installed at the bottom of the first connecting plate, a second connecting plate is installed at the bottom of the connecting rod, a screening net is installed at the bottom of the second connecting plate, a second handle is installed on the top cover, and a second anti-slip pad is installed on the second handle.

[0007] Preferably, the elastic telescopic rod includes an inner rod, a second handle and a second spring, a plurality of second handles are installed on the bottom plate, the inner rod is slidably installed on the second handle, the inner rod is connected to the second handle via a second spring, and the top of the inner rod is connected to the bottom of the support frame.

[0008] Preferably, a first slider is installed on the limiting plate, a first slide groove cooperating with the first slider is opened on the top cover, the first slider is a T-shaped slider, the first slide groove is a T-shaped slide groove, a locking mechanism is installed on the first slider, a first handle is installed on the limiting plate, and a first anti-slip pad is installed on the first handle.

[0009] Preferably, the locking mechanism includes a cavity, a first spring and a locking ball, the first slider is provided with a cavity, the first spring is installed inside the cavity, a locking ball is installed at one end of the first spring, and the top cover is provided with a plurality of locking grooves that cooperate with the locking balls.

[0010] Preferably, the support mechanism comprises support legs and a support plate, a plurality of support legs are mounted on the bottom plate, the tops of the support legs are connected to the bottom of the support plate, and the vibration motor is mounted on the top of the support plate.

[0011] Preferably, an outer rod is slidably mounted on the bottom plate, a third handle is mounted on the outer rod, and a third anti-slip pad is mounted on the third handle.

[0012] Preferably, a second sliding block is installed at the bottom of the outer rod, a second sliding groove cooperating with the second sliding block is opened on the bottom plate, the second sliding block is a T-shaped sliding block, and the second sliding groove is a T-shaped sliding groove.

[0013] Beneficial technical effects of the utility model:

[0014] 1. According to the screening device for alfalfa seeds of the utility model, the third slider is slidably connected to the third slide groove, and the sliding screening net can be disassembled and cleaned by the third slider sliding in the third slide groove to avoid clogging of the screening net and affecting the screening effect. By setting a connecting block, the top cover is installed on the screening box, and the connecting block is installed inside the screening box. The connecting block fits with the inner wall of the screening box to limit the installed screening net.

[0015] 2. By setting the plug block and the slot snap connection, the top cover after installation can be limited, and then the screening net after installation can be limited. By setting a vibration motor, the vibration motor can be started and the elastic telescopic rod can drive the screening box and the screening net to vibrate and screen. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a schematic diagram of the screening net structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the third slider structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the connecting rod structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the plug-in structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the ball-clamping structure of the utility model;

[0022] Figure 7 It is a schematic diagram of the structure of the elastic telescopic rod of the utility model.

[0023] In the figure: 1. support frame; 2. screening box; 3. top cover; 4. limit plate; 5. first handle; 6. first slider; 7. second handle; 8. inner rod; 9. outer rod; 10. second slider; 11. third handle; 12. bottom plate; 13. support plate; 14. support leg; 15. vibration motor; 16. connecting block; 17. first connecting plate; 18. connecting rod; 19. second connecting plate; 20. screening net; 21. third slider; 22. insert block; 23. card ball; 24. first spring; 25. second spring. DETAILED DESCRIPTION

[0024] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0025] like Figure 1-Figure 7As shown, the screening device for alfalfa seeds provided in this embodiment includes a bottom plate 12 and an elastic telescopic rod installed on the bottom plate 12, a support frame 1 is installed at one end of the elastic telescopic rod, a screening box 2 is installed on the support frame 1, a supporting mechanism is installed on the bottom plate 12, a vibration motor 15 is installed on the supporting mechanism, and the supporting mechanism includes a supporting leg 14 and a supporting plate 13, a plurality of supporting legs 14 are installed on the bottom plate 12, the top of the supporting leg 14 is connected to the bottom of the supporting plate 13, the vibration motor 15 is installed on the top of the supporting plate 13, and the screening box 2 is installed on the bottom plate 12. A top cover 3 is installed, a limit plate 4 is slidably installed on the top cover 3, an insert block 22 is installed on the limit plate 4, a slot that cooperates with the insert block 22 is opened on the screening box 2, a connecting block 16 is installed at the bottom of the top cover 3, a first connecting plate 17 is installed on the connecting block 16, a third slider 21 is installed on the first connecting plate 17, a third slide groove that cooperates with the third slider 21 is opened on the connecting block 16, a connecting rod 18 is installed at the bottom of the first connecting plate 17, a second connecting plate 19 is installed at the bottom of the connecting rod 18, and a There is a screening net 20, a second handle 7 is installed on the top cover 3, a second anti-slip pad is installed on the second handle 7, the elastic telescopic rod includes an inner rod 8, the second handle 7 and a second spring 25, a plurality of second handles 7 are installed on the bottom plate 12, an inner rod 8 is slidably installed on the second handle 7, the inner rod 8 is connected to the second handle 7 through the second spring 25, the top of the inner rod 8 is connected to the bottom of the support frame 1, and the third slider 21 is slidably connected to the third slide groove to slide the screening net 20, and the third slider 21 slides in the third slide groove to disassemble and clean the screening net 20, avoiding In order to prevent the screening net 20 from being blocked and affecting the screening effect, the top cover 3 is installed on the screening box 2 by setting the connecting block 16, and the connecting block 16 is installed inside the screening box 2. The connection block 16 fits with the inner wall of the screening box 2 to limit the installed screening net 20, and the top cover 3 can be limited by setting the plug block 22 to be connected with the slot, and then the installed screening net 20 can be limited. By setting the vibration motor 15, the vibration motor 15 is started to cooperate with the elastic telescopic rod to drive the screening box 2 and the screening net 20 to vibrate and screen.

[0026] In this embodiment, if Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, a first slider 6 is installed on the limiting plate 4, a first slide groove cooperating with the first slider 6 is opened on the top cover 3, the first slider 6 is a T-shaped slider, the first slide groove is a T-shaped slide groove, a clamping mechanism is installed on the first slider 6, a first handle 5 is installed on the limiting plate 4, and a first anti-slip pad is installed on the first handle 5. By setting the first slider 6 to be slidably connected with the first slide groove, sliding the limiting plate 4, the first slider 6 slides in the first slide groove, and the insert block 22 is inserted into the slot, so that the installed top cover 3 and the screening net 20 can be limited. By setting the first slider 6 to be a T-shaped slider cooperating with the T-shaped slide groove The mutual cooperation can guide and limit the limit plate 4. By setting the first handle 5, it is convenient to pull the limit plate 4. By setting the first anti-slip pad, the friction of the first handle 5 can be increased. The locking mechanism includes a cavity, a first spring 24 and a locking ball 23. The first slider 6 is provided with a cavity, and the first spring 24 is installed inside the cavity. The locking ball 23 is installed at one end of the first spring 24. The top cover 3 is provided with a plurality of locking grooves that cooperate with the locking ball 23. By setting the locking ball 23 and engaging with the locking groove, the limit plate 4 after sliding can be limited, and then the inserted plug 22 can be limited.

[0027] In this embodiment, if Figure 1 As shown, an outer rod 9 is slidably installed on the bottom plate 12, a third handle 11 is installed on the outer rod 9, and a third anti-skid pad is installed on the third handle 11. By setting the outer rod 9, it is convenient to collect the seeds screened by the screening net 20, by setting the third handle 11, it is convenient to carry the outer rod 9, and by setting the third anti-skid pad, the friction of the third handle 11 can be increased. A second slider 10 is installed at the bottom of the outer rod 9, and a second slide groove that cooperates with the second slider 10 is opened on the bottom plate 12. The second slider 10 is a T-shaped slider, and the second slide groove is a T-shaped slide groove. By setting the second slider 10 to be slidably connected with the second slide groove, it is convenient to disassemble the collected outer rod 9, and by setting the second slider 10 as a T-shaped slider that cooperates with the T-shaped slide groove, the outer rod 9 can be guided and limited.

[0028] In this embodiment, if Figure 1-Figure 7 As shown, the working process of a screening device for alfalfa seeds provided in this embodiment is as follows:

[0029] Step 1: put the seeds to be screened into the screening net 20, slide the third slider 21 into the third chute, install the screening net 20 on the connecting block 16, place the screening net 20 inside the screening box 2, the connecting block 16 fits the inner wall of the screening box 2, the top cover 3 covers the screening box 2, slides the limiting plate 4, the first slider 6 slides in the first chute, the card ball 23 is pulled out from one of the card slots and inserted into another card slot, and the plug block 22 is inserted into the slot to limit the installed screening net 20;

[0030] Step 2: The vibration motor 15 is started to cooperate with the elastic telescopic rod to drive the screening box 2 and the screening net 20 to vibrate and screen. The screened seeds fall into the outer rod 9 and are collected. The outer rod 9 is pulled, and the second slider 10 slides in the second slide groove to disassemble the full outer rod 9.

[0031] In summary, in the present embodiment, according to the screening device for alfalfa seeds of the present embodiment, the third slider 21 is slidably connected with the third slide groove to slide the screening net 20, and the third slider 21 slides in the third slide groove to disassemble and clean the screening net 20, so as to avoid the clogging of the screening net 20 affecting the screening effect. By setting the connecting block 16, the top cover 3 is installed on the screening box 2, and the connecting block 16 is installed inside the screening box 2. The connecting block 16 fits with the inner wall of the screening box 2 to limit the installed screening net 20, and the inserted block 22 is provided to be engaged with the slot to limit the installed top cover 3, and then the installed screening net 20 can be limited. By setting the vibration motor 15, the vibration motor 15 is started to cooperate with the elastic telescopic rod to drive the screening box 2 and the screening net 20 to vibrate and screen, and by setting the first slider 6 to be slidably connected with the first slide groove, the sliding limit plate 4 is sliding, and the first slider 6 slides in the first slide groove. The first slider 6 is set as a T-shaped slider and cooperates with the T-shaped slot to guide and limit the limit plate 4. The first handle 5 is set to facilitate pulling the limit plate 4. The first anti-skid pad is set to increase the friction of the first handle 5. The card ball 23 is set to engage with the card slot to limit the limit plate 4 after sliding, and then the inserted insert 22 can be limited. The outer rod 9 is set to facilitate collecting the seeds screened by the screening net 20. The third handle 11 is set to facilitate carrying the outer rod 9. The third anti-skid pad is set to increase the friction of the third handle 11. The second slider 10 is set to be slidably connected with the second slot to facilitate disassembly of the collected outer rod 9. The second slider 10 is set as a T-shaped slider and cooperates with the T-shaped slot to guide and limit the outer rod 9.

[0032] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A screening device for alfalfa seeds, characterized in that: The invention comprises a bottom plate (12) and an elastic telescopic rod mounted on the bottom plate (12), a support frame (1) being mounted on one end of the elastic telescopic rod, a screening box (2) being mounted on the support frame (1), a supporting mechanism being mounted on the bottom plate (12), a vibration motor (15) being mounted on the supporting mechanism, a top cover (3) being mounted on the screening box (2), a limit plate (4) being slidably mounted on the top cover (3), an insert block (22) being mounted on the limit plate (4), a slot being provided on the screening box (2) and cooperating with the insert block (22), and a bottom of the top cover (3) being mounted A connecting block (16) is provided, a first connecting plate (17) is installed on the connecting block (16), a third sliding block (21) is installed on the first connecting plate (17), a third sliding groove cooperating with the third sliding block (21) is provided on the connecting block (16), a connecting rod (18) is installed at the bottom of the first connecting plate (17), a second connecting plate (19) is installed at the bottom of the connecting rod (18), a screening net (20) is installed at the bottom of the second connecting plate (19), a second handle (7) is installed on the top cover (3), and a second anti-slip pad is installed on the second handle (7).

2. A screening device for alfalfa seeds according to claim 1, characterized in that: The elastic telescopic rod comprises an inner rod (8), a second handle (7) and a second spring (25); a plurality of second handles (7) are mounted on the bottom plate (12); an inner rod (8) is slidably mounted on the second handle (7); the inner rod (8) is connected to the second handle (7) via a second spring (25); and the top of the inner rod (8) is connected to the bottom of the support frame (1).

3. A screening device for alfalfa seeds according to claim 2, characterized in that: A first slider (6) is installed on the limit plate (4), a first slide groove cooperating with the first slider (6) is provided on the top cover (3), the first slider (6) is a T-shaped slider, the first slide groove is a T-shaped slide groove, a locking mechanism is installed on the first slider (6), a first handle (5) is installed on the limit plate (4), and a first anti-slip pad is installed on the first handle (5).

4. A screening device for alfalfa seeds according to claim 3, characterized in that: The locking mechanism comprises a cavity, a first spring (24) and a locking ball (23); the first slider (6) is provided with a cavity, the first spring (24) is installed inside the cavity, one end of the first spring (24) is installed with a locking ball (23); and the top cover (3) is provided with a plurality of locking grooves that cooperate with the locking balls (23).

5. A screening device for alfalfa seeds according to claim 4, characterized in that: The support mechanism comprises support legs (14) and a support plate (13); a plurality of support legs (14) are mounted on the base plate (12); the tops of the support legs (14) are connected to the bottom of the support plate (13); and the vibration motor (15) is mounted on the top of the support plate (13).

6. A screening device for alfalfa seeds according to claim 5, characterized in that: An outer rod (9) is slidably mounted on the bottom plate (12), a third handle (11) is mounted on the outer rod (9), and a third anti-slip pad is mounted on the third handle (11).

7. A screening device for alfalfa seeds according to claim 6, characterized in that: A second sliding block (10) is installed at the bottom of the outer rod (9), and a second sliding groove cooperating with the second sliding block (10) is provided on the bottom plate (12), the second sliding block (10) is a T-shaped sliding block, and the second sliding groove is a T-shaped sliding groove.

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