Crushed millet screening device

By designing a vibration synchronous screening and automatic discharge mechanism, the problem of laborious disassembly and assembly of existing millet screening devices has been solved, and a highly efficient screening process has been achieved.

CN223902331UActive Publication Date: 2026-02-13NINGXIA JINCAI ECOLOGICAL AGRI TECH DEV CO LTD
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Patent Information

Application Number
CN202520401985.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-02-13
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing millet sieving devices require disassembling the sieve cylinder and laboriously emptying the millet after sieving, which affects sieving efficiency.

Method used

A millet grain screening device was designed. The screening cylinder and screening cover vibrate synchronously through a vibrator. The broken grains are discharged through the small round holes of the screening cover, while the whole millet remains in the screening cylinder. After screening, the electric cylinder pushes the screening cylinder to move upward, and the millet automatically slides into the millet holding tank. The discharge scraper pushes the millet out.

Benefits of technology

It allows for the removal of sieved millet without disassembly, saving time and improving sieving efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a crushed millet screening device, and relates to the technical field of agricultural machinery. Three supporting columns are fixed to the top of the base at equal intervals. The outer sides of the three supporting columns are each provided with three pieces of buffering rubber. A millet containing groove is installed among the three supporting columns in a sliding mode. A vibrator is fixed on the outer wall of the outer side of the millet containing groove; a screening cover is welded to the inner side of the top of the millet containing groove. An electric cylinder is mounted at the top of the screening cover; a screening barrel is mounted at the top end of the electric cylinder; a discharging scraping plate is mounted on the inner side of the millet containing groove; a crushed particle discharge pipe is welded to the middle position of the bottom of the screening cover; a millet discharge pipe is welded to the right side of the bottom of the millet containing groove. The device does not need to be disassembled and assembled when the screened millet is taken out, more time is saved, labor is saved when the millet is taken out, and the screening efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field especially relates to a millet broken particle screening device. BACKGROUND

[0002] In the processing of millet, the generation of broken particles is inevitable, broken particles not only affect the appearance quality of millet, but also may lead to unstable product quality, so it is necessary to use a screening device to screen the broken particles in the millet.

[0003] The screening device currently used usually needs to pour the millet into the sieve cylinder inside the device when screening the millet, for example, the patent with the application number 202323156929.7 discloses a millet screening device, which needs to take out the sieve cylinder after the screening of the millet is completed and then pour out the screened millet, which consumes time in the disassembly and assembly process and is laborious when pouring out the millet, affecting the screening efficiency. SUMMARY

[0004] The utility model provides a millet broken particle screening device, which does not need to be disassembled when taking out the screened millet, saves time, is labor-saving when taking out the millet, and improves the screening efficiency.

[0005] The first aspect of the present disclosure provides a millet broken particle screening device, which specifically comprises a base;

[0006] Three support columns are fixed equidistantly on the top of the base; three buffer rubbers are installed on the outer side of the three support columns; a millet containing groove is slidingly installed between the three support columns; a vibrator is fixed on the outer wall of the outer side of the millet containing groove; a screening cover is welded on the inner side of the top of the millet containing groove; an electric cylinder is installed on the top of the screening cover; a screening cylinder body is installed on the top end of the electric cylinder; an ejection scraper is installed on the inner side of the millet containing groove; a broken particle discharge pipe is welded on the bottom middle position of the screening cover; and a millet discharge pipe is welded on the bottom right side of the millet containing groove.

[0007] In at least some embodiments, an annular groove is provided between the inner side of the millet containing groove and the outer wall of the screening cover, the outer wall of the ejection scraper is in close contact with the inner side of the millet containing groove and the outer wall of the screening cover, and the ejection scraper can rotate in the annular groove on the inner side of the millet containing groove.

[0008] In at least some embodiments, three protruding plates are arranged in a ring shape on the outer side of the millet containing groove, and the three protruding plates are slidingly installed on the outer side of the three support columns, respectively, and the buffer rubbers are located on the top and bottom of the protruding plates on the outer side of the millet containing groove.

[0009] In at least some embodiments, a ring-shaped protrusion is arranged on the top of the inner wall of the millet holding groove, and an arc-shaped notch groove is arranged on the discharge scraper.

[0010] In at least some embodiments, the screening cover is a conical shell, and a plurality of small circular holes are arranged on the upper part of the screening cover.

[0011] In at least some embodiments, a protruding rod is arranged on the top of the discharge scraper, and a layer of rubber is wrapped on the outer wall of the bottom of the screening cylinder.

[0012] In at least some embodiments, the outer wall of the bottom of the screening cylinder is an inclined surface, and the screening cylinder is tightly attached to the outer wall of the screening cover when the screening cylinder moves to the bottom, and at this time, the screening cylinder is located on the outside of the part of the screening cover where the small circular holes are arranged.

[0013] The millet broken particle screening device has the following beneficial effects:

[0014] The screening cover and the screening cylinder cooperate to screen the broken particles in the millet when vibrating, the screened broken particles are directly discharged downward without accumulation, and after the screening is completed, the millet that has been screened can be automatically slid downward by controlling the electric cylinder to push the screening cylinder upward, and then the screening cylinder can be moved downward again to continue screening the millet, and the millet that has been screened can be easily pushed out during the subsequent screening process, the device does not need to be disassembled when the screened millet is taken out, time is saved, the millet is also relatively labor-saving when taken out, and the screening efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0016] The drawings described in the following description only relate to some embodiments of the present application, and are not a limitation of the present application.

[0017] In the drawings:

[0018] Figure 1 A main shaft side schematic view of the overall structure of the present application is shown;

[0019] Figure 2 A main shaft side schematic view of the present application after the screening cylinder is moved upward is shown;

[0020] Figure 3 A main shaft side schematic view of the present application after being cut is shown;

[0021] Figure 4 A main shaft side schematic view of the present application after being cut and the screening cylinder being moved upward is shown;

[0022] Figure 5A schematic view of a millet containing groove in the application is shown from the bottom side;

[0023] Figure 6 A schematic view of a support column in the application is shown from the bottom side;

[0024] List of reference signs

[0025] 1, base; 2, support column; 3, buffer rubber; 4, millet containing groove; 5, vibrator; 6, screening cover; 7, electric cylinder; 8, screening cylinder body; 9, discharge scraper; 10, granule discharge pipe; 11, millet discharge pipe. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Embodiment one: please refer to Figures 1 to 6 :

[0028] The present application provides a kind of millet granule screening device, comprising: base 1;

[0029] The base 1 top equidistant fixed with three support columns 2, base 1 for the upper part of the structure of the device is supported, support column 2 for the support of the buffer rubber 3 and millet holding tank 4; three support column 2 outside are all installed with three buffer rubber 3, vibrator 5 work will make millet holding tank 4 vibration, this time the buffer rubber 3 can be in the millet holding tank 4 outside the convex plate top and bottom play a buffering effect, so as to make the millet holding tank 4 under the support of support column 2 constantly up and down vibration; three support column 2 between sliding installation has a millet holding tank 4, millet holding tank 4 for the support of the screen cover 6, millet granule screening is completed after can control electric cylinder 7 push screen cylinder 8 up, this time the screen cylinder 8 in the screen cover 6 of the small millet will slide down to the millet holding tank 4 along the outer wall, facilitate the collection of the small millet after screening; The outer wall of the millet holding tank 4 is fixed with a vibrator 5, the vibrator 5 can make the millet holding tank 4 constantly up and down vibration, the millet holding tank 4 vibration can also make the screen cover 6 and screen cylinder 8 synchronous vibration, so as to make the screen cylinder 8 in the millet constantly vibrate to realize the screening; The top of the millet holding tank 4 is welded with a screen cover 6, when the millet granule is screened, the granule will enter the cavity inside the screen cover 6 through the small round hole of the upper part of the screen cover 6, then the granule can be discharged downward through the granule discharge pipe 10, and the complete millet will be left in the cavity between the screen cover 6 and the screen cylinder 8; The top of the screen cover 6 is provided with an electric cylinder 7, and the electric cylinder 7 is used for adjusting the height of the screen cylinder 8; The top end of the electric cylinder 7 is provided with a screen cylinder 8, and the screen cylinder 8 is used for holding the millet to be screened; The inner side of the millet holding tank 4 is provided with an ejection scraper 9, and the millet after screening falls into the millet holding tank 4 can hold the convex rod at the top of the ejection scraper 9 to push it to rotate in the annular groove inside the millet holding tank 4, then the ejection scraper 9 can push the millet to move, so as to push the millet to the top of the millet discharge pipe 11 and discharge downward; The bottom of the screen cover 6 is welded with a granule discharge pipe 10, and the granule discharge pipe 10 is used for discharging the granule screened from the millet downward; The bottom right side of the millet holding tank 4 is welded with a millet discharge pipe 11, and the millet discharge pipe 11 is used for discharging the millet after screening outward.

[0030] In the embodiment of the present disclosure, as shown in Figures 1-5 The inner side of the millet holding tank 4 and the outer wall of the screen cover 6 are provided with an annular groove, the outer wall of the ejection scraper 9 is in close contact with the inner side of the millet holding tank 4 and the outer wall of the screen cover 6, and the ejection scraper 9 can rotate in the annular groove inside the millet holding tank 4, the millet after screening falls into the millet holding tank 4 can hold the convex rod at the top of the ejection scraper 9 to push it to rotate in the annular groove inside the millet holding tank 4, then the ejection scraper 9 can push the millet to move, so as to push the millet to the top of the millet discharge pipe 11 and discharge downward.

[0031] In the embodiments of the present disclosure, as shown in Figure 1 , Figure 2 and Figure 6 , three protruding plates are arranged in a ring shape outside the millet containing groove 4, and the three protruding plates are respectively slidingly installed outside the three supporting columns 2. The buffer rubbers 3 are respectively located at the top and bottom of the protruding plates outside the millet containing groove 4. When the vibrator 5 is working, the millet containing groove 4 will vibrate. At this time, the buffer rubbers 3 can play a buffering role at the top and bottom of the protruding plates outside the millet containing groove 4, so that the millet containing groove 4 can continuously vibrate up and down under the support of the supporting columns 2.

[0032] In the embodiments of the present disclosure, as shown in Figure 3 and Figure 4 , a ring-shaped protrusion is arranged at the top of the inner wall of the millet containing groove 4, and an arc-shaped notch groove is also arranged on the discharge scraper 9. The arc-shaped notch groove on the discharge scraper 9 can slidingly cooperate with the ring-shaped protrusion at the top of the inner wall of the millet containing groove 4, so that the discharge scraper 9 can be prevented from being separated from the millet containing groove 4 by moving upward.

[0033] In the embodiments of the present disclosure, as shown in Figures 2-5 , the screening cover 6 is a conical shell, and a plurality of small circular holes penetrating in and out are arranged on the upper part of the screening cover 6. When the millet particles are screened, the particles will enter the cavity inside the screening cover 6 through the small circular holes on the upper part of the screening cover 6. The conical screening cover 6 can conveniently make the screened millet fall down into the millet containing groove 4.

[0034] In the embodiments of the present disclosure, as shown in Figures 1-4 , the bottom outer wall of the screening cylinder 8 is an inclined surface. When the screening cylinder 8 moves down to the bottom, it will be in close contact with the outer wall of the screening cover 6. At this time, the screening cylinder 8 will be located outside the part of the screening cover 6 where the small circular holes are arranged. When it is necessary to use the device to screen the millet particles, the electric cylinder 7 can be controlled to retract to drive the screening cylinder 8 to move down to the bottom. At this time, the opening at the bottom of the screening cylinder 8 will be closed. Then, the millet to be screened can be poured into the cavity inside the screening cylinder 8 through the opening at the top of the screening cylinder 8. When the millet particles are screened, the complete millet will be left in the cavity between the screening cover 6 and the screening cylinder 8.

[0035] In the embodiments of the present disclosure, as shown in Figures 1-6 , a protruding rod is arranged at the top of the discharge scraper 9, and a layer of rubber is wrapped on the bottom outer wall of the screening cylinder 8. After the screened millet falls into the millet containing groove 4, the protruding rod at the top of the discharge scraper 9 can be held to rotate in the annular groove inside the millet containing groove 4, so as to push the millet to move. The rubber on the bottom outer wall of the screening cylinder 8 can increase the sealing property of the contact between the screening cylinder 8 and the outer wall of the screening cover 6.

[0036] The working principle of the embodiment is as follows: when installed, the device can be supported and placed on the ground through the base 1; when the device needs to be used to screen the broken grains in millet, the electric cylinder 7 can be controlled to retract to drive the screening barrel 8 to move down to the bottom, at which time the opening at the bottom of the screening barrel 8 will be closed, and then the millet to be screened can be poured into the cavity inside the screening barrel 8 through the opening at the top of the screening barrel 8; at this time, the vibrator 5 can be turned on, and the vibrator 5 will make the millet holding groove 4 vibrate when working; at this time, the buffer rubber 3 can play a buffering role on the top and bottom of the protruding plate outside the millet holding groove 4, so as to make the millet holding groove 4 continuously vibrate up and down under the support of the support column 2; the millet holding groove 4 can also make the screening cover 6 and the screening barrel 8 vibrate synchronously when vibrating, so that the millet in the screening barrel 8 can continuously vibrate to achieve screening; when the millet is screened, the broken grains will enter the cavity inside the screening cover 6 through the small round holes in the upper part of the screening cover 6, and then the broken grains can be discharged downward through the broken grain discharge pipe 10, while the complete millet will be left in the cavity between the screening cover 6 and the screening barrel 8; after the screening of the broken grains in the millet is completed, the electric cylinder 7 can be controlled to push the screening barrel 8 to move up, at which time the screened millet in the screening barrel 8 will slide along the outer wall of the screening cover 6 and fall into the millet holding groove 4, and then the protruding rod at the top of the discharge scraper 9 can be held and pushed to rotate in the annular groove inside the millet holding groove 4, at which time the discharge scraper 9 can push the millet to move, so as to push the millet to the upper part of the millet discharge pipe 11 and discharge downward.

[0037] In this paper, the following points need to be noted:

[0038] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0039] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0040] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A millet grain sizing apparatus comprising: Base (1); characterized in that: The top of the base (1) is equidistantly fixed with three support columns (2); the outer side of the three support columns (2) is installed with three buffer rubbers (3); a millet containing groove (4) is slidingly installed between the three support columns (2); an vibrator (5) is fixed on the outer wall of the outer side of the millet containing groove (4); a screening cover (6) is welded on the inner side of the top of the millet containing groove (4); an electric cylinder (7) is installed on the top of the screening cover (6); a screening barrel (8) is installed on the top end of the electric cylinder (7); an outfeed scraper (9) is installed on the inner side of the millet containing groove (4); a broken particle discharge pipe (10) is welded on the bottom middle position of the screening cover (6); a millet discharge pipe (11) is welded on the bottom right side of the millet containing groove (4).

2. The millet broken particle screening device according to claim 1, characterized in that, The outer side of the millet containing groove (4) is arranged with three protruding plates in a ring shape, and the three protruding plates are slidingly installed on the outer side of the three support columns (2), and the buffer rubbers (3) are respectively located on the top and bottom of the protruding plates on the outer side of the millet containing groove (4).

3. The millet broken particle screening device according to claim 1, characterized in that, The screening cover (6) is a conical shell, and the upper part of the screening cover (6) is provided with a plurality of small circular holes penetrating in and out.

4. The millet broken particle screening device according to claim 1, characterized in that, The bottom outer wall of the screening barrel (8) is an inclined surface, and when the screening barrel (8) moves down to the bottommost position, it will be tightly attached to the outer wall of the screening cover (6), and at this time, the screening barrel (8) will be located on the outer side of the part of the screening cover (6) provided with small circular holes.

5. The millet broken particle screening device according to claim 1, characterized in that, An annular groove is provided between the inner side of the millet containing groove (4) and the outer wall of the screening cover (6), the outer wall of the outfeed scraper (9) is tightly attached to the inner side of the millet containing groove (4) and the outer wall of the screening cover (6), and the outfeed scraper (9) can rotate in the annular groove on the inner side of the millet containing groove (4).

6. The millet broken particle screening device according to claim 1, characterized in that, A ring-shaped protrusion is provided on the top position of the inner wall of the millet containing groove (4), and a corresponding arc-shaped notch groove is also provided on the outfeed scraper (9).

7. The millet broken particle screening device according to claim 1, characterized in that, A protruding rod is provided on the top of the outfeed scraper (9), and a layer of rubber is wrapped on the bottom outer wall of the screening barrel (8).

Citation Information

Patent Citations

  • Millet screening device

    CN221334673U