Rice screening equipment

Abstract

The utility model discloses rice screening equipment which comprises a base, the base is connected with a vibration seat through a vibration mechanism, a U-shaped surrounding plate is formed on the vibration seat, a screen is arranged at the bottom of the surrounding plate and horizontally arranged, a first guide plate located below the screen is fixed to the base, and a second guide plate located below the screen is fixed to the base. A pushing plate and a baffle are arranged at the two ends of the surrounding plate respectively, the pushing plate and the baffle are connected through a transverse strip, a material opening is formed in the position, close to the baffle, in the vibration base, and a second guide plate located below the material opening is arranged on the base. The rice screening machine solves the problems that in the prior art, due to the fact that a screen in a rice screening machine is generally obliquely arranged, the standing time of rice on the screen is short, and part of rice can be discharged along with impurities in the operation process.

Description

Technical Field

[0001] The utility model relates to rice processing equipment, in particular to rice screening equipment. Background Art

[0002] Rice vibration screening is a commonly used technology in agricultural production, mainly used to remove impurities in rice, such as straw, stone particles, etc. For example, the Chinese patent with patent number CN202321180918.X provides a discharging mechanism for a rice screening machine, including a screening box, a guide cylinder fixedly connected to a discharging cylinder at one end away from the screening box, the inner wall of the discharging cylinder is rotatably connected to a second rotating shaft, the outer wall of the second rotating shaft is fixedly connected to a second threaded conveying blade, and a driving motor is fixedly installed on the outer wall of the discharging cylinder away from the discharge port, the output pump end of the driving motor passes through the discharging cylinder and is fixedly connected to one end of the second rotating shaft; such as the rice screening machine in the above-mentioned prior art, the internal screen is generally tilted, resulting in a shorter residence time of rice on the screen. During operation, part of the rice will be discharged together with the impurities. Utility Model Content

[0003] The purpose of the utility model is to provide a rice screening device, which solves the problem that the rice screening machine in the prior art has an internal screen that is generally tilted, resulting in a short residence time of the rice on the screen and part of the rice being discharged together with impurities during operation.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a rice screening device, which includes a base, which is connected to a vibration seat through a vibration mechanism, a U-shaped enclosure is formed on the vibration seat, a screen is provided at the bottom of the enclosure, and the screen is arranged horizontally. A first guide plate located below the screen is fixed on the base, a push plate and a baffle are respectively provided at both ends of the enclosure, and the push plate and the baffle are connected by a horizontal bar. A material port is provided in the vibration seat near the baffle, and a second guide plate located below the material port is provided on the base.

[0005] Preferably, the upper ends of the push plate and the baffle are bent to form a sliding portion, and the sliding portion can be slidably engaged with the edge of the enclosure.

[0006] Preferably, the transverse bar is located on the outer side of the enclosure.

[0007] Preferably, a cylinder is provided on the outer side of the enclosure, and the piston rod of the cylinder is connected to the horizontal bar.

[0008] Preferably, the vibration mechanism includes a sliding sleeve arranged on the base and a telescopic rod slidably arranged in the sliding sleeve, the upper end of the telescopic rod is connected to the vibration seat, and a spring is sleeved on the telescopic rod.

[0009] Preferably, the vibration mechanism further comprises a driving assembly provided at both ends of the base;

[0010] The driving assembly includes a contact wheel arranged at the bottom of the vibration seat, a seat body arranged on the base, a rotating shaft rotatably arranged on the seat body, and a cam arranged on the rotating shaft;

[0011] The cam is capable of at least partially contacting the interference wheel.

[0012] Preferably, the vibration mechanism further comprises a pulley arranged at the end of the rotating shaft, the two pulleys are connected by a belt, a motor is arranged on the base, and the output shaft of the motor is connected to the rotating shaft.

[0013] Beneficial effect: The utility model provides a rice screening device, the rice screening device includes a base, the base is connected to a vibration seat through a vibration mechanism, a U-shaped enclosure is formed on the vibration seat, a screen is provided at the bottom of the enclosure, the screen is arranged horizontally, a first guide plate located below the screen is fixed on the base, a push plate and a baffle are provided at both ends of the enclosure respectively, the push plate and the baffle are connected by a horizontal bar, a material port is provided in the vibration seat near the baffle, and a second guide plate located below the material port is provided on the base. During operation, rice is poured into the enclosure, and the vibration seat is vibrated up and down by the vibration mechanism, so that the rice is filtered from the screen to the bottom thereof and discharged from the first guide plate, and impurities remain above the screen. After the screening is completed, the push plate and the baffle are slid to discharge the impurities from the material port and the second guide plate. The rice screening device provided by the utility model can increase the residence time of rice on the screen, effectively screen the rice, and improve the screening quality.

[0014] Other features and advantages of the present invention will be described in detail in the subsequent detailed description of the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is the first structural diagram of the rice screening device provided by the utility model;

[0017] Figure 2 This is the second structural diagram of the rice screening device provided by the utility model;

[0018] Figure 3 It is a side view of the rice screening device provided by the utility model.

[0019] Description of Reference Numerals

[0020] 1-base; 2-vibrating seat; 3-enclosing plate; 4-push plate; 5-baffle; 6-screen; 7-feeding port; 8-second guide plate; 9-first guide plate; 10-horizontal bar; 11-cylinder; 12-sliding sleeve; 13-telescopic rod; 14-belt; 15-pulley; 16-contact wheel; 17-cam; 18-base; 19-rotating shaft; 20-motor. DETAILED DESCRIPTION

[0021] The following is a detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0022] like Figure 1-3 As shown: The utility model provides a rice screening device, which includes a base 1, which is connected to a vibration base 2 through a vibration mechanism, a U-shaped enclosure 3 is formed on the vibration base 2, and a screen 6 is provided at the bottom of the enclosure 3. The screen 6 is arranged horizontally, and a first guide plate 9 located below the screen 6 is fixed on the base 1, and a push plate 4 and a baffle 5 are respectively provided at both ends of the enclosure 3, and the push plate 4 and the baffle 5 are connected by a horizontal bar 10. A material port 7 is provided in the vibration base 2 near the baffle 5, and a second guide plate 8 located below the material port 7 is provided on the base 1. During operation, rice is poured into the enclosure, and the vibration seat is vibrated up and down by the vibration mechanism, so that the rice is filtered from the screen to the bottom thereof and discharged from the first guide plate. Impurities remain above the screen. After screening is completed, the push plate and the baffle are slid to discharge the impurities from the feed port and the second guide plate. The rice screening equipment provided by the utility model can increase the residence time of rice on the screen, effectively screen the rice, and improve the screening quality.

[0023] In a preferred embodiment of the present invention, in order to further limit the displacement of the push plate and the baffle, the upper ends of the push plate 4 and the baffle 5 are bent to form a sliding portion, and the sliding portion can be slidably engaged with the edge of the enclosure 3.

[0024] In a preferred embodiment of the present invention, in order to prevent the horizontal bars from affecting the screening of rice, the horizontal bars 10 are located outside the enclosure 3 .

[0025] In a preferred embodiment of the present invention, in order to effectively push the enclosure and baffle to move, thereby discharging internal impurities, a cylinder 11 is provided on the outer side of the enclosure 3 , and the piston rod of the cylinder 11 is connected to the horizontal bar 10 .

[0026] In a preferred embodiment of the present invention, in order to enable the screen to vibrate up and down, the vibration mechanism includes a sliding sleeve 12 arranged on the base 1 and a telescopic rod 13 slidably arranged in the sliding sleeve 12, the upper end of the telescopic rod 13 is connected to the vibration seat 2, and a spring is sleeved on the telescopic rod 13.

[0027] In a preferred embodiment of the present invention, the vibration mechanism further comprises a drive assembly disposed at both ends of the base 1; the drive assembly comprises a contact wheel 16 disposed at the bottom of the vibration base 2, a base body 18 disposed on the base 1, a rotating shaft 19 rotatably disposed on the base body 18, and a cam 17 disposed on the rotating shaft 19; the cam 17 is capable of at least partially contacting the contact wheel 16. The rotation of the rotating shaft 19 causes the cam to intermittently contact the contact wheel, thereby driving the vibration base to intermittently move up and down.

[0028] In a preferred embodiment of the present invention, the vibration mechanism further includes a pulley 15 provided at the end of the rotating shaft 19, the two pulleys 15 are connected by a belt 14, and a motor 20 is provided on the base 1, and the output shaft of the motor 20 is connected to the rotating shaft 19. Through the output of the motor, the rotating shafts at both ends of the base are driven to rotate synchronously through the belt, so that both ends of the vibration base vibrate up and down simultaneously.

[0029] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the scope of protection of the present invention.

[0030] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0031] In addition, the various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A rice screening device, characterized in that: The rice screening equipment comprises a base (1), wherein the base (1) is connected to a vibration base (2) via a vibration mechanism, a U-shaped enclosure (3) is formed on the vibration base (2), a screen (6) is provided at the bottom of the enclosure (3), and the screen (6) is arranged horizontally, a first guide plate (9) located below the screen (6) is fixed on the base (1), a push plate (4) and a baffle (5) are respectively provided at both ends of the enclosure (3), and the push plate (4) and the baffle (5) are connected via a horizontal bar (10), a material port (7) is provided in the vibration base (2) near the baffle (5), and a second guide plate (8) located below the material port (7) is provided on the base (1).

2. The rice screening device according to claim 1, characterized in that The upper ends of the push plate (4) and the baffle (5) are bent to form a sliding portion, and the sliding portion can be slidably engaged with the edge of the enclosure (3).

3. The rice screening device according to claim 2, characterized in that: The horizontal bar (10) is located on the outer side of the enclosure (3).

4. The rice screening device according to claim 3, characterized in that: A cylinder (11) is provided on the outer side of the enclosure (3), and a piston rod of the cylinder (11) is connected to the horizontal bar (10).

5. The rice screening device according to claim 1, characterized in that: The vibration mechanism comprises a sliding sleeve (12) arranged on the base (1) and a telescopic rod (13) slidably arranged in the sliding sleeve (12), the upper end of the telescopic rod (13) is connected to the vibration seat (2), and a spring is sleeved on the telescopic rod (13).

6. The rice screening device according to claim 5, characterized in that: The vibration mechanism further comprises a driving assembly arranged at both ends of the base (1); The driving assembly comprises a contact wheel (16) arranged at the bottom of the vibration seat (2), a seat body (18) arranged on the base (1), a rotating shaft (19) rotatably arranged on the seat body (18), and a cam (17) arranged on the rotating shaft (19); The cam (17) is capable of at least partially contacting the interference wheel (16).

7. The rice screening device according to claim 6, characterized in that: The vibration mechanism further includes a pulley (15) arranged at the end of the rotating shaft (19), and the two pulleys (15) are connected by a belt (14). A motor (20) is arranged on the base (1), and the output shaft of the motor (20) is connected to the rotating shaft (19).

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