CN221890391U

CN221890391U - Novel alfalfa seed impurity screening device

Info

Publication number: CN221890391U
Application number: CN202420450442.5U
Authority: CN
Inventors: 李依寰
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-03-08
Filing date: 2024-03-08
Publication date: 2024-10-25
Anticipated expiration: 2034-03-08

Abstract

The utility model discloses a novel impurity screening device for alfalfa seeds, and its technical scheme is as follows: it comprises a separation kettle, a screening mechanism is arranged in the separation kettle, a separation mechanism is arranged below the screening mechanism, the screening mechanism comprises a support rod detachably mounted in the separation kettle, a vibrator is fixedly mounted on the top of the support rod, a screening plate is fixedly connected to the top of the vibrator, the screening plate is slidably connected to the inner wall of the separation kettle, the top of the separation kettle is covered with a cover plate, a feed hopper is arranged on the cover plate, and a discharge port is arranged at the bottom of the separation kettle. The beneficial effect is as follows: by arranging the screening mechanism in the separation kettle, large debris in the alfalfa seeds can be cleaned out, and then the small debris in the alfalfa seeds can be cleaned out by the separation mechanism below, so that relatively clean debris removal can be achieved; by arranging the vibrator below the sieve plate, the sieve plate is driven to vibrate by the vibrator, so that screening can be accelerated, and at the same time, the sieve holes of the sieve plate are prevented from being blocked, so as to effectively improve the debris cleaning efficiency.

Description

Novel alfalfa seed impurity screening device

Technical Field

The utility model relates to the technical field of seed processing, in particular to a novel alfalfa seed impurity screening device.

Background

At present, a combine harvester is mainly used for harvesting alfalfa seeds, and long straws and other sundries often exist in the alfalfa seeds harvested by the combine harvester. The sundry cleaning mode commonly used at present is as follows: sundries such as straws and the like are screened out by utilizing a screening mode, however, the alfalfa seeds are doped with sundries which are similar to the alfalfa seeds in size and smaller than the alfalfa seeds, and the sundries cannot be cleaned out effectively by utilizing the screening mode, so that the cleaning is not thorough.

Disclosure of utility model

The present utility model has been developed in view of the problems associated with the prior art alfalfa seed impurity screening apparatus.

Therefore, the utility model aims to provide a novel alfalfa seed impurity screening device, which solves the problems that the alfalfa seeds are doped with impurities with the size similar to that of the alfalfa seeds and smaller than that of the alfalfa seeds in the process of screening the impurities in the alfalfa seeds, and the impurities cannot be effectively cleaned in the screening mode, so that the cleaning is not thorough.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

The novel alfalfa seed impurity screening device comprises a separation kettle, wherein a screening mechanism is arranged in the separation kettle, and a separation mechanism is arranged below the screening mechanism;

The screening mechanism comprises a supporting rod which is detachably arranged in the separation kettle, a vibrator is fixedly arranged at the top end of the supporting rod, a screening plate is fixedly connected to the top end of the vibrator, and the screening plate is in sliding connection with the inner wall of the separation kettle.

Preferably, the bottom welding of above-mentioned screening board has the stabilizer tube, stabilizer tube inner wall sliding connection stabilizer bar, the connecting rod can be dismantled to the stabilizer bar bottom.

Preferably, the top end of the separation kettle is covered with a cover plate, a feed hopper is arranged on the cover plate, and a discharge hole is arranged at the bottom end of the separation kettle.

Preferably, the upper left end of the separation kettle is provided with a cleaning opening, the outer wall of the upper left end of the separation kettle is hinged with a sealing plate, and the sealing plate is used for covering the cleaning opening.

Preferably, the separating mechanism comprises a blanking hopper and a first blast assembly, the blanking hopper is fixedly arranged on the inner wall of the separating kettle, a separating opening is formed in the lower end of the left side of the separating kettle, a first blast opening is formed in the lower end of the right side of the separating kettle, the first blast opening is opposite to the separating opening, and the first blast assembly is arranged on the outer side wall of the separating kettle, which is positioned at the first blast opening;

the first air blast assembly comprises a first shell, the first shell is mounted on the outer wall of the separation kettle through bolts, a first motor is fixedly mounted on the inner wall of the first shell, and a first fan blade is fixedly mounted on an output shaft of the first motor.

Preferably, a second blast port is formed in the upper end of the right side of the separation kettle, the second blast port is opposite to the cleaning port, an auxiliary separation mechanism is arranged on the outer side wall of the separation kettle, the auxiliary separation mechanism comprises a second blast assembly, the second blast assembly comprises a second shell, the second shell is mounted on the outer wall of the separation kettle through a bolt, a second motor is fixedly mounted on the inner wall of the second shell, and a second fan blade is fixedly mounted on the output shaft of the second motor.

Preferably, the screening plate has a box-packed structure with an opening at the top end.

Compared with the prior art, the utility model has the beneficial effects that:

The screening mechanism is arranged in the separating kettle, so that large sundries in alfalfa seeds can be cleaned, and small sundries in alfalfa seeds can be cleaned through the separating mechanism below, so that cleaner sundries can be removed;

Through set up the vibrator below the sieve, utilize the vibrator to drive the sieve and vibrate to can accelerate the screening, avoid the sieve mesh jam of sieve simultaneously, thereby improve debris cleaning efficiency effectively.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model;

FIG. 2 is an enlarged view of the portion A of FIG. 1 provided in example 1 of the present utility model;

FIG. 3 is an enlarged view of the portion B of FIG. 1 provided in example 1 of the present utility model;

fig. 4 is a schematic structural diagram of embodiment 2 of the present utility model.

In the figure: the separating kettle 1, the cover plate 2, the vibrator 3, the screening plate 5, the stabilizing tube 51, the stabilizing rod 52, the supporting connecting seat 521, the blanking hopper 6, the separating opening 7, the first shell 8, the first motor 9, the first fan blade 10, the first blast opening 11, the discharge opening 12, the feeding hopper 13, the sealing plate 14, the cleaning opening 15, the supporting rod 16, the supporting connecting seat 161, the second shell 17, the second motor 18 and the second fan blade 19.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Example 1

The utility model provides a novel alfalfa seed impurity screening device, referring to fig. 1-3, which comprises a separation kettle 1, wherein a screening mechanism is arranged in the separation kettle 1, and a separation mechanism is arranged below the screening mechanism;

Screening mechanism includes demountable installation at the bracing piece 16 in separation cauldron 1, specifically, the welding has support connecting seat 161 on the inner wall of separation cauldron 1, support connecting seat 161 inner wall grafting bracing piece 16, the internal thread hole has all been seted up on the corresponding position of bracing piece 16 and support connecting seat 161, pass through the bolt fastening between bracing piece 16 and the support connecting seat 161, the top fixed mounting of bracing piece 16 has vibrator 3, start vibrator 3 and drive screening board 5 vibrations, thereby can accelerate screening board 5's screening, also can avoid big debris to block up screening board 5's sieve mesh to a certain extent simultaneously, the top fixedly connected with screening board 5 of vibrator 3, screening board 5 and separation cauldron 1 inner wall sliding connection.

The bottom end of the screening plate 5 is welded with a stabilizing tube 51, the inner wall of the stabilizing tube 51 is in sliding connection with a stabilizing rod 52, the bottom end of the stabilizing rod 52 is detachably connected with a supporting rod 16, specifically, the top of the tail end of the supporting rod 16 is welded with a supporting connecting seat 521, the inner wall of the supporting connecting seat 521 is inserted with the stabilizing rod 52, the corresponding positions of the stabilizing rod 52 and the supporting connecting seat 521 are respectively provided with an internal threaded hole, and the stabilizing rod 52 and the supporting connecting seat 521 are fixed through bolts; stability of the lifting and lowering of the screening deck 5 is achieved by means of the stabilizing tubes 51 and stabilizing bars 52.

The top of separation cauldron 1 is covered with apron 2, be equipped with feeder hopper 13 on the apron 2, the export of the bottom of feeder hopper 13 is little to fall a small amount of material, avoid a large amount of material gathering to cause to pile up on screening board 5, increase screening burden, the bottom of separation cauldron 1 is equipped with discharge gate 12, and discharge gate 12 is used for the alfalfa seed that falls.

The upper left end of the separation kettle 1 is provided with a cleaning port 15, the outer wall of the upper left end of the separation kettle 1 is hinged with a sealing plate 14, and the sealing plate 14 is used for covering the cleaning port 15; the closing plate 14 is opened, and large sundries on the screening plate 5 can be cleaned out through the cleaning opening 15.

The separating mechanism comprises a blanking hopper 6 and a first blast assembly, the blanking hopper 6 is fixedly arranged on the inner wall of the separating kettle 1, a separating opening 7 is formed in the lower end of the left side of the separating kettle 1, a first blast opening 11 is formed in the lower end of the right side of the separating kettle 1, the first blast opening 11 is opposite to the separating opening 7, and the first blast assembly is arranged on the outer side wall of the separating kettle 1, which is positioned on the first blast opening 11;

The first blast assembly comprises a first shell 8, the first shell 8 is mounted on the outer wall of the separation kettle 1 through bolts, a first motor 9 is fixedly mounted on the inner wall of the first shell 8, and a first fan blade 10 is fixedly mounted on an output shaft of the first motor 9.

Therefore, the first motor 9 is started to drive the first fan blade 10 to rotate, so that wind force is generated, the alfalfa seeds and the small sundries (sundries with the sizes similar to and smaller than those of the alfalfa seeds) falling in the falling hopper are blown and separated by the wind force, and the separated small sundries are discharged through the separating opening 7 (so that the wind force is controlled, the alfalfa seeds cannot move greatly under the wind force, and the principle is the same as that of a winnowing field).

When in specific use:

Step one: the alfalfa seeds mixed with sundries are poured into the feed hopper 13, the materials fall onto the screening plate 5, and the vibrator 3 is started to drive the screening plate 5 to vibrate, so that screening is accelerated;

Step two: the alfalfa seeds and small sundries leaked from the screening plate 5 enter the blanking hopper 6, so that the alfalfa seeds and the small sundries fall from the blanking hopper 6, and in the falling process, the first motor 9 is started to drive the first fan blades 10 to rotate to generate wind power, and the small sundries in the alfalfa seeds are blown away and discharged through the separating opening 7;

Step three: when the large sundries on the screening plate 5 are too much, the sealing plate 14 is opened, and the large sundries on the screening plate 5 are cleaned through the cleaning opening 15.

Example 2

Referring to fig. 4, unlike embodiment 1, there is: the upper end of the right side of the separation kettle 1 is provided with a second blast port, the second blast port is opposite to the cleaning port 15, an auxiliary separation mechanism is arranged on the outer side wall of the separation kettle 1 positioned at the second blast port, the auxiliary separation mechanism comprises a second blast assembly, the second blast assembly comprises a second shell 17, the second shell 17 is arranged on the outer wall of the separation kettle 1 through bolts, a second motor 18 is fixedly arranged on the inner wall of the second shell 17, and a second fan blade 19 is fixedly arranged on the output shaft of the second motor 18;

The screening plate 5 is of a box-packed structure with an opening at the top end, so that alfalfa seeds are not easy to fall down from the side edge of the screening plate 5.

At this time, when the mixture of the sundries and the alfalfa seeds falls from the feed hopper 13, the second motor 18 starts the second fan blades 19 to rotate to generate wind power, so that part of the small sundries are blown away and discharged through the cleaning port 15, and the burden of the separating mechanism below can be reduced.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. Novel alfalfa seed impurity screening device, its characterized in that: the device comprises a separation kettle (1), wherein a screening mechanism is arranged in the separation kettle (1), and a separation mechanism is arranged below the screening mechanism;

The screening mechanism comprises a supporting rod (16) which is detachably arranged in the separation kettle (1), a vibrator (3) is fixedly arranged at the top end of the supporting rod (16), a screening plate (5) is fixedly connected with the top end of the vibrator (3), and the screening plate (5) is in sliding connection with the inner wall of the separation kettle (1).

2. The novel alfalfa seed impurity screening device according to claim 1, wherein the bottom end of the screening plate (5) is welded with a stabilizing tube (51), the inner wall of the stabilizing tube (51) is slidably connected with a stabilizing rod (52), and the bottom end of the stabilizing rod (52) is detachably connected with a supporting rod (16).

3. The novel alfalfa seed impurity screening device according to claim 1, wherein the top end of the separation kettle (1) is covered with a cover plate (2), a feed hopper (13) is arranged on the cover plate (2), and a discharge port (12) is arranged at the bottom end of the separation kettle (1).

4. The novel alfalfa seed impurity screening device according to claim 1, wherein a cleaning port (15) is formed in the upper left end of the separation kettle (1), a sealing plate (14) is hinged to the outer wall of the upper left end of the separation kettle (1), and the sealing plate (14) is used for covering the cleaning port (15).

5. The novel alfalfa seed impurity screening device according to claim 1, wherein the separating mechanism comprises a blanking hopper (6) and a first blast assembly, the blanking hopper (6) is fixedly installed on the inner wall of the separating kettle (1), a separating opening (7) is formed in the lower left end of the separating kettle (1), a first blast opening (11) is formed in the lower right end of the separating kettle (1), the first blast opening (11) is opposite to the separating opening (7), and the first blast assembly is arranged on the outer side wall of the separating kettle (1) located at the first blast opening (11);

The first air blast assembly comprises a first shell (8), the first shell (8) is mounted on the outer wall of the separation kettle (1) through bolts, a first motor (9) is fixedly mounted on the inner wall of the first shell (8), and a first fan blade (10) is fixedly mounted on an output shaft of the first motor (9).

6. The novel alfalfa seed impurity screening device according to claim 4, wherein a second blast orifice is formed in the upper end of the right side of the separation kettle (1), the second blast orifice is opposite to the cleaning orifice (15), an auxiliary separation mechanism is arranged on the outer side wall of the separation kettle (1) located at the second blast orifice, the auxiliary separation mechanism comprises a second blast assembly, the second blast assembly comprises a second shell (17), the second shell (17) is mounted on the outer wall of the separation kettle (1) through bolts, a second motor (18) is fixedly mounted on the inner wall of the second shell (17), and a second fan blade (19) is fixedly mounted on the output shaft of the second motor (18).

7. The novel alfalfa seed impurity screening apparatus of claim 6, wherein the screening plate (5) is a box-packed structure with an open top.