Agricultural seed screening device with screen convenient to replace

Abstract

The utility model belongs to the technical field of agricultural seed screening, and particularly relates to an agricultural seed screening device with a screen convenient to replace, which comprises a screening box body, one end of the screening box body is provided with a discharge port, the bottom of the inner side of the screening box body is provided with a guide plate, and the inner wall of the screening box body is connected with a limiting plate. According to the screening device, the shifting blocks are shifted to enable the movable blocks to drive the clamping blocks to contract, at the moment, a handle on the outer wall of the screening frame is used for pulling the screening frame outwards, and then the screening frame and the screening plate can be taken out; then the screening frame is re-inserted into the inner side of the screening box body after a proper screening plate is replaced according to needs, finally, the clamping block is reset and popped out under the action of the spring and the movable block by loosening the shifting block, at the moment, one end of the clamping block is limited like one side of the screening frame, and therefore screening plates of different screens can be more conveniently achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural seed screening, and in particular relates to an agricultural seed screening device which is convenient for replacing a screen. Background Art

[0002] Agricultural seeds refer to any plant organs that can be directly used for sowing in agricultural production. To distinguish them from botanical seeds, they are called agricultural seeds. With China's strong support for agriculture, my country's seed processing industry has achieved rapid development in recent years. With the continuous expansion of the seed market, the requirements for fine processing in the seed processing industry are also getting higher and higher, especially for the physical processing properties of seeds. In the process of deep processing of seeds, seeds must be classified according to their appearance and size, so that seeds with consistent appearance and size can be better used. At this time, screening devices are needed.

[0003] At present, during the use of existing agricultural seed screening devices, seeds are usually screened through the sieve on the sieve plate. However, when the staff screens seeds of different types and sizes, the corresponding sieve plate and sieve need to be replaced. However, since the sieve plate and sieve are arranged inside the device, it is very inconvenient to replace them. Utility Model Content

[0004] The utility model aims to provide an agricultural seed screening device with an easy-to-replace screen, aiming to solve the problem that the existing agricultural seed screening device usually screens seeds through the screen on the screen plate during use, but when the staff screens seeds of different types and sizes, the corresponding screen plate and screen need to be replaced. However, since the screen plate and screen are arranged inside the device, it is very inconvenient to replace them.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an agricultural seed screening device that is easy to replace the screen, comprising a screening box, one end of the screening box is provided with a discharge port, the inner bottom of the screening box is provided with a guide plate, the inner wall of the screening box is connected to a limit plate, the top of the limit plate is provided with a screening frame, and the inner side of the screening frame is provided with a screening plate;

[0006] The outer wall of the screening box is connected with a mounting seat, a spring is arranged inside the mounting seat, one end of the spring is connected with a movable block, one end of the movable block is connected with a clamping block, and the outer wall of the movable block is connected with a shifting block.

[0007] As a preferred embodiment of the utility model of an agricultural seed screening device that is easy to replace the screen, the screening frame can form a sliding connection structure with the screening box body through a limiting plate.

[0008] As a preferred embodiment of the agricultural seed screening device of the utility model which is convenient for replacing the screen, the guide plate is located at the bottom of the screening plate.

[0009] As a preferred embodiment of the utility model of an agricultural seed screening device that is easy to replace the screen, the clamping block can form an elastic structure with the mounting seat through a spring and a movable block.

[0010] As a preferred agricultural seed screening device of the utility model which is easy to replace the screen, the outer wall of the screening box is provided with two slide rails, the inner sides of the two slide rails are provided with guide rods, the outer walls of the guide rods are sleeved with connecting blocks, the outer walls of the connecting blocks are connected with a fixing plate, the surface of the fixing plate is provided with a socket, the top of the screening box is provided with a connecting plate, and the bottom of the connecting plate is connected with a material removing plate.

[0011] As a preferred embodiment of the utility model of an agricultural seed screening device that is easy to replace the screen, the end of the connecting plate can be sleeved on the outer wall of the connecting block.

[0012] As a preferred embodiment of the utility model of an agricultural seed screening device that is easy to replace the screen, the material shifting plate can form a sliding connection structure with two slide rails through a guide rod, a connecting block, a fixing plate, a socket and a connecting plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The movable block drives the card block to retract by toggling the paddle block. At this time, the handle on the outer wall of the screening frame is used to pull it outward to take out the screening frame and the screening plate. Then, the screening frame is reinserted into the inner side of the screening box after replacing the appropriate screening plate as needed. Finally, the paddle block is released so that the card block is reset and popped out under the action of the spring and the movable block. At this time, one end of the card block will be limited as one side of the screening frame, so that the screening plates with different screens can be realized more conveniently.

[0015] The material shifting plate is inserted along the inner side of the socket, and the two ends of the connecting plate are respectively sleeved on the outer wall of a connecting block. At this time, the material shifting plate is pulled by the handle on the top of the connecting plate so that it can move back and forth along the slide rail, thereby realizing seed screening of the agricultural seeds on the screening plate in the screening frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a first main structural schematic diagram of the utility model;

[0018] Figure 2 It is a second main structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0020] Figure 4 This is a schematic diagram of the screening frame and screening plate structure of the utility model;

[0021] Figure 5 A is a schematic diagram of the enlarged structure of the utility model;

[0022] Figure 6 It is a schematic diagram of the B enlarged structure of the utility model.

[0023] In the figure: 1. screening box; 2. discharge port; 3. guide plate; 4. limit plate; 5. screening frame; 6. screening plate; 7. mounting seat; 8. spring; 9. movable block; 10. clamping block; 11. shifting block; 12. slide rail; 13. guide rod; 14. connecting block; 15. fixing plate; 16. socket; 17. connecting plate; 18. shifting plate. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-6 The utility model provides the following technical solutions: an agricultural seed screening device that is easy to replace the screen, comprising a screening box 1, a material outlet 2 is opened at one end of the screening box 1, a material guide plate 3 is arranged at the inner bottom of the screening box 1, a limiting plate 4 is connected to the inner wall of the screening box 1, a screening frame 5 is arranged on the top of the limiting plate 4, and a screening plate 6 is arranged inside the screening frame 5;

[0026] The outer wall of the screening box 1 is connected with a mounting seat 7, the inner side of the mounting seat 7 is provided with a spring 8, one end of the spring 8 is connected with a movable block 9, one end of the movable block 9 is connected with a clamping block 10, and the outer wall of the movable block 9 is connected with a shifting block 11.

[0027] Preferably: the screening frame 5 can form a sliding connection structure with the screening box 1 through the limiting plate 4, the guide plate 3 is located at the bottom of the screening plate 6, and the clamping block 10 can form an elastic structure with the mounting seat 7 through the spring 8 and the movable block 9.

[0028] When in use, the movable block 9 drives the card block 10 to retract by toggling the dial block 11. At this time, the handle on the outer wall of the screening frame 5 is used to pull it outward, and the screening frame 5 and the screening plate 6 can be taken out. Then, after replacing the appropriate screening plate 6 as needed, the screening frame 5 is reinserted into the inner side of the screening box 1. Finally, the dial block 11 is released to reset the card block 10 under the action of the spring 8 and the movable block 9. At this time, one end of the card block 10 will be limited as one side of the screening frame 5, so that the screening plates 6 with different screens can be more conveniently realized.

[0029] It should be noted that before taking out the screening frame 5 and replacing the screening plate 6 , the material removal plate 18 needs to be pulled upwards first.

[0030] Preferably: the outer wall of the screening box 1 is provided with two slide rails 12, the inner sides of the two slide rails 12 are provided with guide rods 13, the outer walls of the guide rods 13 are sleeved with connecting blocks 14, the outer walls of the connecting blocks 14 are connected with fixing plates 15, the surface of the fixing plates 15 is provided with sockets 16, the top of the screening box 1 is provided with connecting plates 17, the bottom of the connecting plates 17 is connected with a material shifting plate 18, the end of the connecting plate 17 can be sleeved on the outer wall of the connecting block 14, and the material shifting plate 18 can form a sliding connection structure with the two slide rails 12 through the guide rods 13, the connecting blocks 14, the fixing plates 15, the sockets 16, and the connecting plates 17.

[0031] When in use, the material-selecting plate 18 is inserted along the inner side of the socket 16, and the two ends of the connecting plate 17 are respectively sleeved on the outer wall of a connecting block 14. At this time, the material-selecting plate 18 is pulled by the handle on the top of the connecting plate 17 to make it reciprocate along the slide rail 12, so that the agricultural seeds on the screening plate 6 in the screening frame 5 can be selected;

[0032] It should be noted that before inserting the material-selecting plate 18 into the inner side of the socket 16 , the screening frame 5 with the replaced screening plate 6 needs to be inserted into the inner side of the screening box 1 .

[0033] Working principle: First, when it is necessary to replace the screening plate 6 of different screens, the movable block 9 drives the card block 10 to retract by toggling the dial block 11. At this time, the handle on the outer wall of the screening frame 5 is used to pull it outward, and the screening frame 5 and the screening plate 6 can be taken out. Then, after replacing the appropriate screening plate 6 as needed, the screening frame 5 is reinserted into the inner side of the screening box 1. Finally, the card block 10 is reset and popped out under the action of the spring 8 and the movable block 9 by loosening the dial block 11. At this time, one end of the card block 10 will be limited on one side of the screening frame 5, so that the screening plates 6 of different screens can be realized more conveniently. At this time, the material stripping plate 18 is inserted along the inner side of the socket 16, and the two ends of the connecting plate 17 are respectively sleeved on the outer wall of a connecting block 14. At this time, the material stripping plate 18 is pulled by the handle on the top of the connecting plate 17, so that it can reciprocate along the slide rail 12, so that the agricultural seeds on the screening plate 6 in the toggled screening frame 5 can be screened.

[0034] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An agricultural seed screening device with easy replacement of screen mesh, comprising a screening box (1), characterized in that: A material outlet (2) is provided at one end of the screening box (1), a material guide plate (3) is provided at the inner bottom of the screening box (1), a limiting plate (4) is connected to the inner wall of the screening box (1), a screening frame (5) is provided on the top of the limiting plate (4), and a screening plate (6) is provided on the inner side of the screening frame (5); The outer wall of the screening box (1) is connected to a mounting seat (7), a spring (8) is arranged on the inner side of the mounting seat (7), one end of the spring (8) is connected to a movable block (9), one end of the movable block (9) is connected to a clamping block (10), and the outer wall of the movable block (9) is connected to a shifting block (11).

2. The agricultural seed screening device with easy screen replacement according to claim 1, characterized in that: The screening frame (5) can form a sliding connection structure with the screening box body (1) through the limiting plate (4).

3. The agricultural seed screening device with easy screen replacement according to claim 1 is characterized in that: The material guide plate (3) is located at the bottom of the screening plate (6).

4. The agricultural seed screening device with easy screen replacement according to claim 1, characterized in that: The clamping block (10) can form an elastic structure with the mounting seat (7) through a spring (8) and a movable block (9).

5. The agricultural seed screening device with easy screen replacement according to claim 1, characterized in that: The outer wall of the screening box (1) is provided with two slide rails (12), the inner sides of the two slide rails (12) are provided with guide rods (13), the outer wall of the guide rods (13) is sleeved with a connecting block (14), the outer wall of the connecting block (14) is connected with a fixing plate (15), the surface of the fixing plate (15) is provided with a socket (16), the top of the screening box (1) is provided with a connecting plate (17), and the bottom of the connecting plate (17) is connected with a material-pickup plate (18).

6. The agricultural seed screening device with easy screen replacement according to claim 5, characterized in that: The end of the connecting plate (17) can be sleeved on the outer wall of the connecting block (14).

7. The agricultural seed screening device with easy screen replacement according to claim 5, characterized in that: The material-shifting plate (18) can form a sliding connection structure with two slide rails (12) through a guide rod (13), a connecting block (14), a fixing plate (15), a socket (16) and a connecting plate (17).

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