Agricultural seed screening device

Abstract

The utility model discloses an agricultural seed screening device, which belongs to the technical field of screening and comprises two first supporting legs and two second supporting legs, a screening frame is rotatably mounted between the two second supporting legs, a first side plate is fixedly mounted on one side of each first supporting leg, and a second side plate is fixedly mounted on the other side of each first supporting leg. A pushing assembly matched with the screening frame is installed at the top ends of the first side plates, a U-shaped frame is fixedly installed at the top ends of the two first side plates jointly, a feeding assembly is fixedly installed at the top end of the U-shaped frame, a limiting frame is fixedly installed on the inner wall of the screening frame, one side of the limiting frame is open, and a filtering plate is slidably installed on the inner wall of the limiting frame; and a positioning assembly matched with the filtering plate is arranged on one side of the screening frame, a discharging opening is formed in one side of the bottom end of the screening frame, the filtering plate can be rapidly fixed after being replaced, the discharging amount can be adjusted, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the field of screening, in particular to an agricultural seed screening device. Background Art

[0002] At present, there are great differences between seed varieties in growth period, yield level, disease resistance, drought tolerance, lodging resistance and adaptation area. Look at the fullness of seed grains. Incomplete grains may not mature well, or may be caused by disease or premature aging in the production field. Incomplete seeds may affect germination or poor disease resistance in the later stage. The main reason for the poor uniformity of seed size and shape is seed selection and inadequate grading. In this way, the seedlings are not integrated, resulting in the coexistence of large and small seedlings, which affects the overall degree of the field, and the number of broken grains. The seeds may be broken during threshing, drying or selection. When seeds need to be screened, a screening machine can be used. The screen mesh fixing frame used by the screening machine needs to be disassembled frequently to meet different operating requirements. However, the screen mesh fixing frame of the common screening machine is fixed to the inner side of the screen frame by screws, which is very troublesome to disassemble. If the screen mesh fixing frame needs to be disassembled, the operation is more troublesome, which brings inconvenience to people's use process. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides an agricultural seed screening device, aiming to improve the problem that the screening net is inconvenient to dismantle and replace.

[0004] The utility model is implemented as follows: an agricultural seed screening device comprises two first legs and two second legs, a screening frame is rotatably installed between the two second legs, a first side plate is fixedly installed on one side of the first leg, a pushing assembly matching with the screening frame is installed on the top of the first side plate, a U-shaped frame is commonly fixedly installed on the top of the two first side plates, a feeding assembly is fixedly installed on the top of the U-shaped frame, a limit frame is fixedly installed on the inner wall of the screening frame, one side of the limit frame is opened, a filter plate is slidably installed on the inner wall of the limit frame, limit blocks are fixedly installed on both sides of the filter plate, a slide groove matching with the limit blocks is arranged on the inner wall of the limit frame, a positioning assembly matching with the filter plate is arranged on one side of the screening frame, and a discharge port is arranged on one side of the bottom end of the screening frame.

[0005] In the preferred technical solution of the utility model, a first reinforcement plate is fixedly installed between the first leg and the second leg, shock-absorbing pads are fixedly installed at the bottom ends of the first leg and the second leg, and a second reinforcement plate is fixedly installed between the two first legs and between the two second legs respectively.

[0006] In the preferred technical solution of the utility model, the pushing assembly includes a cylinder and a push rod, the cylinder is fixedly installed on the top of the first side plate, the push rod is commonly fixedly installed on the output ends of the two cylinders, and a sliding hole cooperating with the push rod is provided on the screening frame, and the push rod slides through the sliding hole.

[0007] In the preferred technical solution of the utility model, a limiting circular plate is symmetrically fixedly installed on the push rod, one side of the limiting circular plate is slidably connected to the outer side of the screening frame, and the diameter of the limiting circular plate is greater than the width of the sliding hole.

[0008] In the preferred technical solution of the present utility model, the feed assembly includes a feed box and a slide plate, the feed box is fixedly mounted on the top of the U-shaped frame, the top of the feed box is open, the slide plate is slidably mounted on one side of the feed box, second side panels are fixedly mounted on both sides of the feed box, an electric push rod is fixedly mounted on the top of the second side panel, a support plate is fixedly mounted on the output end of the electric push rod, and the support plate is fixedly connected to one side of the slide plate.

[0009] In the preferred technical solution of the utility model, first guide rods are fixedly installed on both sides of the top of the feed box, the support plate is slidably installed on the first guide rods, and a limit plate is fixedly installed on the top of the first guide rods.

[0010] In the preferred technical solution of the utility model, the positioning assembly includes a third side plate, a threaded rod and a baffle plate. The third side plate is fixedly installed on one side of the screening frame, the baffle plate is slidably installed on one side of the screening frame, the threaded rod is rotatably installed on the baffle plate, the bottom end of the threaded rod is threaded through the third side plate and fixedly connected to the turntable, the second guide rod is fixedly installed on the bottom end of the baffle plate, the bottom end of the second guide rod slides through the third side plate, the second guide rod is symmetrically arranged on both sides of the threaded rod, and one side of the top end of the baffle plate is arranged in a circular arc.

[0011] In the preferred technical solution of the utility model, a fourth side plate is fixedly installed on one side of the screening frame, one end of the fourth side plate is hinged to a partition plate, a groove is provided at the top of the partition plate, both ends of the fourth side plate are rotatably connected to both sides of the inner wall of the groove, and a weighting plate is fixedly installed at the bottom end of the partition plate.

[0012] The beneficial effects of the utility model are as follows: the utility model obtains an agricultural seed screening device through the above design. When in use, the seeds to be screened are poured into the feed box, the electric push rod is started to drive the slide plate to move to adjust the size of the discharge end of the feed box through the support plate, the cylinder is started to drive the push rod to move up and down, the movement of the push rod drives the screening frame to rotate repeatedly to allow the seeds to be filtered on the filter plate, and qualified seeds slide out from one end of the filter plate, and smaller seeds slide out from the discharge port after being filtered by the filter plate. When the filter plate needs to be replaced, the turntable is rotated to drive the threaded rod to rotate, and the threaded rod rotates and moves downward to drive the baffle plate to move down to separate from the opening of the limit frame, and the filter plate is pulled out for replacement. This device can quickly fix the filter plate after replacement, and can also adjust the amount of discharge, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of the structure of an agricultural seed screening device provided by an embodiment of the utility model;

[0015] Figure 2 A schematic diagram of the structure of a driving assembly is provided for an embodiment of the utility model;

[0016] Figure 3 Provides a separation diagram of a limit frame and a filter plate for an embodiment of the utility model;

[0017] Figure 4 A schematic diagram of the structure of a feed assembly is provided for an embodiment of the utility model;

[0018] Figure 5 A structural schematic diagram of a positioning assembly is provided for an implementation mode of the utility model.

[0019] In the figure: 110-first leg; 111-second leg; 112-first side plate; 113-U-shaped frame; 120-screening frame; 121-limiting frame; 122-filter plate; 123-chute; 124-discharge port; 125-cylinder; 126-push rod; 1261-limiting circular plate; 127-slide hole; 130-feeding assembly; 131-feeding box; 132-slide plate; 133-second side plate; 134-electric push rod; 135-support plate; 136-first guide rod; 140-positioning assembly; 141-third side plate; 142-threaded rod; 143-baffle; 144-second guide rod; 150-fourth side plate; 151-partition. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 , Figure 3 and Figure 4The utility model provides a technical solution: an agricultural seed screening device, comprising two first legs 110 and two second legs 111, a screening frame 120 is rotatably installed between the two second legs 111, a first side plate 112 is fixedly installed on one side of the first leg 110, a pushing assembly that cooperates with the screening frame 120 is installed on the top of the first side plate 112, a U-shaped frame 113 is fixedly installed on the top of the two first side plates 112, a feeding assembly 130 is fixedly installed on the top of the U-shaped frame 113, the feeding assembly 130 includes a feeding box 131 and a slide plate 132, the feeding box 131 is fixedly installed on the top of the U-shaped frame 113, the top of the feeding box 131 is open, the slide plate 132 is slidably installed on one side of the feeding box 131, and the second The side plate 133, an electric push rod 134 is fixedly installed on the top of the second side plate 133, and a support plate 135 is fixedly installed on the output end of the electric push rod 134. The support plate 135 is fixedly connected to one side of the slide plate 132, and the first guide rods 136 are fixedly installed on both sides of the top of the feed box 131. The support plate 135 is slidably installed on the first guide rods 136. A limit frame 121 is fixedly installed on the inner wall of the screening frame 120, and one side of the limit frame 121 is set as an opening. The filter plate 122 is slidably installed on the inner wall of the limit frame 121, and limit blocks are fixedly installed on both sides of the filter plate 122. The inner wall of the limit frame 121 is provided with a slide groove 123 matching the limit blocks. A positioning component 140 matching the filter plate 122 is provided on one side of the screening frame 120, and a discharge port 124 is provided on one side of the bottom end of the screening frame 120.

[0022] In some specific implementation schemes, a first reinforcement plate is fixedly installed between the first leg 110 and the second leg 111, and shock-absorbing pads are fixedly installed at the bottom ends of the first leg 110 and the second leg 111, thereby improving the overall stability of the device.

[0023] See also Figure 2 The pushing assembly includes a cylinder 125 and a push rod 126. The cylinder 125 is fixedly installed on the top of the first side plate 112. The output ends of the two cylinders 125 are jointly fixedly installed with the push rod 126. A sliding hole 127 cooperating with the push rod 126 is provided on the screening frame 120, and the push rod 126 slides through the sliding hole 127.

[0024] In some specific implementation schemes, a limiting circular plate 1261 is symmetrically fixedly installed on the push rod 126, and one side of the limiting circular plate 1261 is slidably connected to the outer side of the screening frame 120. The limiting circular plate 1261 slides with the outer side of the screening frame 120, effectively preventing the push rod 126 from being limited when sliding.

[0025] See also Figure 5The positioning assembly 140 includes a third side plate 141, a threaded rod 142 and a baffle 143. The third side plate 141 is fixedly installed on one side of the screening frame 120, and the baffle 143 is slidably installed on one side of the screening frame 120. The baffle 143 is rotatably installed with the threaded rod 142. The bottom end of the threaded rod 142 is threadedly penetrated through the third side plate 141 and fixedly connected to the turntable. The bottom end of the baffle 143 is fixedly installed with a second guide rod 144, and the bottom end of the second guide rod 144 slides through the third side plate 141.

[0026] In some specific implementation schemes, a fourth side plate 150 is fixedly installed on one side of the screening frame 120, and a partition plate 151 is hingedly connected to one end of the fourth side plate 150 to facilitate separation of the screened seeds when discharging.

[0027] Working principle: When in use, pour the seeds that need to be screened into the feed box 131, start the electric push rod 134 to drive the slide plate 132 to move through the support plate 135 to adjust the size of the discharge end of the feed box 131, start the cylinder 125 to drive the push rod 126 to move up and down, and the push rod 126 moves to drive the screening frame 120 to rotate repeatedly to allow the seeds to be filtered on the filter plate 122. Qualified seeds slide out from one end of the filter plate 122, and smaller seeds slide out from the discharge port 124 after being filtered by the filter plate 122. When the filter plate 122 needs to be replaced, rotate the turntable to drive the threaded rod 142 to rotate, and the threaded rod 142 rotates and moves downward to drive the baffle 143 to move down to separate from the opening of the limit frame 121, and pull out the filter plate 122 for replacement.

[0028] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An agricultural seed screening device, comprising two first legs and two second legs, characterized in that: The screening frame is rotatably installed between the two second legs, and the first side plate is fixedly installed on one side of the first leg, and a pushing assembly cooperating with the screening frame is installed on the top of the first side plate, and a U-shaped frame is fixedly installed on the top of the two first side plates, and a feeding assembly is fixedly installed on the top of the U-shaped frame. A limit frame is fixedly installed on the inner wall of the screening frame, one side of the limit frame is opened, and a filter plate is slidably installed on the inner wall of the limit frame, and limit blocks are fixedly installed on both sides of the filter plate, and a slide groove matching the limit blocks is provided on the inner wall of the limit frame, a positioning assembly cooperating with the filter plate is provided on one side of the screening frame, and a discharge port is provided on one side of the bottom end of the screening frame.

2. The agricultural seed screening device according to claim 1, characterized in that: A first reinforcing plate is fixedly installed between the first supporting leg and the second supporting leg, and shock-absorbing pads are fixedly installed at the bottom ends of the first supporting leg and the second supporting leg.

3. The agricultural seed screening device according to claim 1, characterized in that: The pushing assembly includes a cylinder and a push rod. The cylinder is fixedly installed on the top of the first side plate, and the push rod is fixedly installed on the output ends of the two cylinders. A sliding hole that cooperates with the push rod is provided on the screening frame, and the push rod slides through the sliding hole.

4. The agricultural seed screening device according to claim 3, characterized in that: A limiting circular plate is symmetrically fixedly installed on the push rod, and one side of the limiting circular plate is slidably connected to the outer side of the screening frame.

5. The agricultural seed screening device according to claim 1, characterized in that: The feeding assembly includes a feeding box and a slide plate, the feeding box is fixedly mounted on the top of the U-shaped frame, the top of the feeding box is open, the slide plate is slidably mounted on one side of the feeding box, second side plates are fixedly mounted on both sides of the feeding box, an electric push rod is fixedly mounted on the top of the second side plate, a support plate is fixedly mounted on the output end of the electric push rod, and the support plate is fixedly connected to one side of the slide plate.

6. The agricultural seed screening device according to claim 5, characterized in that: First guide rods are fixedly installed on both sides of the top of the feed box, and the support plate is slidably installed on the first guide rods.

7. The agricultural seed screening device according to claim 1, characterized in that: The positioning assembly includes a third side plate, a threaded rod and a baffle. The third side plate is fixedly mounted on one side of the screening frame, the baffle is slidably mounted on one side of the screening frame, the threaded rod is rotatably mounted on the baffle, the bottom end of the threaded rod is threadedly penetrated through the third side plate and fixedly connected to the turntable, the bottom end of the baffle is fixedly mounted with a second guide rod, and the bottom end of the second guide rod slides through the third side plate.

8. The agricultural seed screening device according to claim 1, characterized in that: A fourth side plate is fixedly mounted on one side of the screening frame, and one end of the fourth side plate is hinged to the partition plate.

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