Seed screening and purifying device

Abstract

The utility model discloses a seed screening and purifying device which comprises an installation frame, a screening box is rotatably installed on the installation frame through a shaft, and the screening box is of a square structure. The screen plate is detachably mounted in the screening box, and screen holes are formed in the screen plate; the swing driving part is mounted on one side of the mounting frame and used for driving the screening box to swing back and forth; the supporting frame is arranged on the side face of the mounting frame, a feeding inclined table is mounted on the supporting frame, one end of the feeding inclined table extends to the position above the screening box, and ribs distributed at equal intervals are arranged in the feeding inclined table; and the guide frame is mounted on the outer wall of one side of the mounting frame. By arranging the screening box and the swing driving part, the seed screening device can work based on the swing driving part and control the screening box to swing back and forth, so that seeds in the screening box move continuously, screening of the screening plate is promoted, and the screening efficiency is improved.

Description

TECHNICAL FIELD

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

[0002] The traditional seed screening method mainly relies on manual operation, which is inefficient and difficult to guarantee the screening quality. The existing seed screening device mainly includes a vibrating screen, a drum screen and the like, which improves the screening efficiency to a certain extent, but still has some problems, such as complex structure, inconvenient operation and poor dust and impurity removal.

[0003] After searching, the application scheme with the Chinese patent application number CN202420014684. X discloses a seed screening device, which comprises a screening box, an inlet is arranged at the upper end of the screening box, a guide pipe is arranged at the bottom end of the inlet, a slag discharge port is arranged at the bottom surface of the left end of the screening box, an inclined plate is arranged in the screening box, the bottom end of the inclined plate is fixedly connected with the slag discharge port, a filter screen frame is arranged above the inclined plate, a filter screen is slidably connected in the filter screen frame, first and second rotating shafts are arranged at the left and right ends of the filter screen frame respectively, the first and second rotating shafts are movably connected with the screening box, a convex plate is rotatably connected with the left end of the first rotating shaft, a plurality of sawtooth blocks are arranged at equal intervals on the upper surface of the convex plate, a shaking device is arranged above the convex plate, and the shaking device comprises a fixed box. The right end of the fixed box is fixedly connected with the screening box, and a rotating device is arranged at the right end of the screening box. The seed screening device in the above-mentioned document has the following disadvantages: although it has the screening function, it cannot remove dust and other impurities well, and further improvement is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a seed screening purification device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A seed screening purification device comprises:

[0007] A mounting frame is provided, a screening box is rotatably mounted on the mounting frame through a shaft, and the screening box has a mouth-shaped structure;

[0008] A screen plate is detachably mounted in the screening box, and a screen hole is arranged on the screen plate;

[0009] A swing driving part is mounted on one side of the mounting frame and used for driving the screening box to swing back and forth;

[0010] A support frame is arranged on the side surface of the mounting frame, an inlet inclined platform is mounted on the support frame, one end of the inlet inclined platform extends above the screening box, and rib strips are arranged at equal intervals in the inlet inclined platform;

[0011] The guide frame is installed on one side of the outer wall of the mounting frame;

[0012] The fan frame is mounted on the guide frame, and the fan is mounted on the fan frame.

[0013] As a further improvement of this utility model: the swing drive unit includes:

[0014] The drive motor is mounted on the mounting bracket.

[0015] The drive gear is connected to the output end of the drive motor. A driven gear is installed on the shaft of the screening box, and the driven gear meshes with the drive gear.

[0016] As a further improvement of this utility model: ball-head rods are fixed on both sides of the screening box, and arc-shaped frames are provided on both sides of the mounting frame. The arc-shaped frames are installed on the support frame. The arc-shaped frames have an arc-shaped structure, and one end of the ball-head rod slides on the arc-shaped surface of the arc-shaped frame.

[0017] As a further improvement of this utility model: the sieve plate is arranged in multiple layers, and the inner diameter of the sieve holes of the upper sieve plate is larger than that of the sieve holes of the lower sieve plate;

[0018] The screening box is equipped with a snap-fit ​​part, which includes:

[0019] The U-shaped bracket has a strip-shaped opening on the side of the screening box. The U-shaped bracket slides inside the strip-shaped opening, and the two ends of the screen plate are detachably clipped into the two U-shaped brackets.

[0020] The end plate is located on the outer wall of one side of the U-shaped card holder, and the end plate and the screening box are connected by a spring.

[0021] As a further improvement of this utility model: a limiting plate is provided on the U-shaped card holder, and the width of the limiting plate is greater than the width of the strip opening of the screening box.

[0022] As a further improvement of this utility model, a handle is provided on one side of the end plate of the U-shaped card holder.

[0023] As a further improvement of this utility model: the fan frame is slidably mounted on the outer wall of the guide frame, and the fan frame is threadedly connected with a fixing knob for fixing the fan frame to the guide frame.

[0024] As a further improvement of this utility model, a receiving box is provided below the screening box.

[0025] The beneficial effects of this utility model are as follows:

[0026] 1. This utility model, by setting up a screening box and a swing drive unit, can control the screening box to swing back and forth based on the operation of the swing drive unit, so that the seeds in the screening box move continuously, thereby promoting the screening of the sieve plate and improving the screening efficiency.

[0027] 2. By setting up a feeding ramp, a fan and other structures, the present invention can put seeds into the feeding ramp and let them slide down the feeding ramp. Before entering the screening box, the fan can blow away the dust and other impurities, thereby improving the screening effect.

[0028] 3. By setting up a swing drive unit, this utility model can control forward and reverse rotation based on the operation of the drive motor, drive the driven gear to rotate, and realize the swing of the screening box; by setting up an arc frame and a ball head rod, the ball head rod can slide on the arc surface of the arc frame when the screening box swings, which improves the stability of the structure.

[0029] 4. By setting a snap-fit ​​part, this utility model can fix and support the screen plate based on the force of the spring, which is convenient to disassemble and assemble and has strong practicality; by setting a limiting plate, it can facilitate the limiting of the U-shaped card frame and improve reliability. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of a seed screening and purification device proposed in this utility model;

[0031] Figure 2 This is a schematic diagram of the seed screening and purification device proposed in this utility model from another angle.

[0032] Figure 3 This is a schematic diagram of the structure of the ball-head rod and the arc-shaped frame of the seed screening and purification device proposed in this utility model.

[0033] Figure 4 This is a cross-sectional structural diagram of the screening box of a seed screening and purification device proposed in this utility model;

[0034] Figure 5 This is a schematic diagram of the U-shaped card holder of a seed screening and purification device proposed in this utility model.

[0035] In the diagram: 1-mounting frame, 2-screening box, 3-arc frame, 4-support frame, 5-feeding ramp, 6-rib, 7-fan, 8-receiving box, 9-fan frame, 10-guide frame, 11-fixing knob, 12-ball head rod, 13-screen plate, 14-drive gear, 15-drive motor, 16-driven gear, 17-screen hole, 18-U-shaped bracket, 19-handle, 20-limiting plate, 21-spring. Detailed Implementation

[0036] The technical solution of this utility model will be further described in detail below with reference to specific embodiments.

[0037] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0038] Example 1

[0039] A seed screening and purification device, such as Figures 1-5 As shown, it includes:

[0040] Mounting frame 1, on which a screening box 2 is rotatably mounted via a shaft, the screening box 2 having a U-shaped structure;

[0041] The sieve plate 13 is detachably installed inside the screening box 2, and the sieve plate 13 is provided with sieve holes 17.

[0042] The swing drive unit is installed on one side of the mounting frame 1 and is used to drive the screening box 2 to swing back and forth.

[0043] Support frame 4 is located on the side of mounting frame 1. Feeding ramp 5 is installed on support frame 4. One end of feeding ramp 5 extends to the top of screening box 2. Ribs 6 are evenly distributed inside feeding ramp 5.

[0044] Guide frame 10 is installed on one side of the outer wall of mounting frame 1;

[0045] Fan frame 9, fan frame 9 is mounted on guide frame 10, and fan 7 is mounted on fan frame 9;

[0046] By setting up a screening box 2 and an oscillating drive unit, the screening box 2 can be controlled to oscillate back and forth based on the operation of the oscillating drive unit, so that the seeds in the screening box 2 move continuously, thereby promoting the screening of the sieve plate 13 and improving the screening efficiency.

[0047] By setting up structures such as the feeding ramp 5 and the fan 7, seeds can be placed in the feeding ramp 5 and slide down along the feeding ramp 5. Before entering the screening box 2, the fan 7 can work to blow away the dust and other impurities, thereby improving the screening effect.

[0048] To drive the filter box 2; as Figure 3 As shown, the swing drive unit includes:

[0049] Drive motor 15 is mounted on mounting bracket 1;

[0050] Drive gear 14 is connected to the output end of drive motor 15. Drive gear 16 is mounted on the shaft of screening box 2 and meshes with drive gear 14.

[0051] By setting up a swing drive unit, the drive motor 15 can operate and control forward and reverse rotation, driving the driven gear 16 to rotate, thereby realizing the swing of the screening box 2.

[0052] To improve oscillation stability; such as Figure 3 As shown, ball-head rods 12 are fixed on both sides of the screening box 2, and arc-shaped frames 3 are provided on both sides of the mounting frame 1. The arc-shaped frames 3 are installed on the support frame 4. The arc-shaped frame 3 has an arc-shaped structure, and one end of the ball-head rod 12 slides on the arc-shaped surface of the arc-shaped frame 3.

[0053] By setting up the arc-shaped frame 3 and the ball-head rod 12, the ball-head rod 12 can slide on the arc-shaped surface of the arc-shaped frame 3 when the screening box 2 swings, thus improving the stability of the structure.

[0054] To better screen; such as Figure 4 , Figure 5 As shown, the sieve plate 13 is arranged in multiple layers, and the sieve hole 17 of the upper sieve plate 13 has a larger inner diameter than the sieve hole 17 of the lower sieve plate 13.

[0055] The screening box 2 is equipped with a snap-fit ​​part, which includes:

[0056] The U-shaped bracket 18 has a strip opening on the side of the screening box 2. The U-shaped bracket 18 slides in the strip opening, and the two ends of the screen plate 13 are detachably clipped into the two U-shaped brackets 18.

[0057] End plate, the end plate is set on the outer wall of one side of the U-shaped bracket 18, and the end plate and the screening box 2 are connected by spring 21;

[0058] By setting a snap-fit ​​part, the screen plate 13 can be fixedly supported based on the force of the spring 21, which is convenient to disassemble and assemble and has strong practicality.

[0059] To improve reliability; such as Figure 5 As shown, a limiting plate 20 is provided on the U-shaped card holder 18, and the width of the limiting plate 20 is greater than the width of the strip opening of the screening box 2;

[0060] By setting the limit plate 20, the U-shaped card holder 18 can be easily limited, thus improving reliability.

[0061] For ease of operation; such as Figure 5 As shown, a handle 19 is provided on one side of the end plate of the U-shaped card holder 18.

[0062] The fan frame 9 is slidably mounted on the outer wall of the guide frame 10, and a fixing knob 11 for fixing the fan frame 9 to the guide frame 10 is connected by threads on the fan frame 9.

[0063] To facilitate the receipt of materials; such as Figure 3 As shown, a receiving box 8 is provided below the screening box 2.

[0064] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A seed screening and purifying apparatus, characterized by comprising: The utility model relates to a kind of screening device, including: Mounting frame (1), the shaft rotatably mounted with screening box (2) on mounting frame (1), screening box (2) is mouth-shaped structure; Screen plate (13), screen plate (13) is detachably installed in screening box (2), screen plate (13) is provided with sieve hole (17); Oscillating drive part, oscillating drive part is installed on one side of mounting frame (1), for driving screening box (2) reciprocating swing; Support frame (4), support frame (4) is provided on the side of mounting frame (1), support frame (4) is installed with feeding inclined platform (5), one end of feeding inclined platform (5) extends to the above of screening box (2), feeding inclined platform (5) is provided with equidistantly distributed rib (6); Guide frame (10), guide frame (10) is installed on the outer wall of one side of mounting frame (1); Fan frame (9), fan frame (9) is installed on guide frame (10), fan frame (9) is installed with fan (7).

2. A seed screening and purifying apparatus according to claim 1, wherein The utility model relates to a kind of screening device, including: Drive motor (15), drive motor (15) is installed on mounting frame (1); Driving gear (14), driving gear (14) is transmission connection with the output end of drive motor (15), the shaft of screening box (2) is installed with driven gear (16), driven gear (16) is engaged with driving gear (14).

3. A seed screening and purifying apparatus according to claim 1, wherein The both sides of screening box (2) are fixed with ball head rod (12), the both sides of mounting frame (1) are provided with arc-shaped frame (3), arc-shaped frame (3) is installed on support frame (4), arc-shaped frame (3) is arc-shaped structure, one end of ball head rod (12) is slid on the arc surface of arc-shaped frame (3).

4. A seed screening and purifying apparatus according to claim 1, wherein The screen plate (13) is provided with multiple layers, and the screen hole (17) of the upper screen plate (13) is larger than the inner diameter of the screen hole (17) of the lower screen plate (13); The screening box (2) is provided with a clamping portion, the clamping portion comprising: U-shaped clamping frame (18), the side of the screening box (2) is provided with a strip-shaped opening, the U-shaped clamping frame (18) is slidably arranged in the strip-shaped opening, and the both ends of the screen plate (13) are detachably clamped in the two U-shaped clamping frames (18); End plate, the end plate is arranged on one side of the outer wall of the U-shaped clamping frame (18), and the end plate and the screening box (2) are connected by a spring (21).

5. A seed screening and cleaning apparatus as claimed in claim 4, wherein The U-shaped clamping frame (18) is provided with a limiting plate (20), and the width of the limiting plate (20) is greater than the width of the strip-shaped opening of the screening box (2).

6. A seed screening and cleaning apparatus as claimed in claim 5, wherein The end plate of the U-shaped clamping frame (18) is provided with a handle (19).

7. A seed screening and purifying apparatus according to claim 1, wherein The fan frame (9) is slidably arranged on the outer wall of the guide frame (10), and the fan frame (9) is threadedly connected with a fixing knob (11) for fixing the fan frame (9) on the guide frame (10).

8. A seed screening and cleaning apparatus as claimed in claim 1, wherein, The screening box (2) is provided with a receiving box (8) below.

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