CN215542724U

CN215542724U - Rice screening machine with cleaning function

Info

Publication number: CN215542724U
Application number: CN202122424539.8U
Authority: CN
Inventors: 郑显峰; 刘云
Original assignee: Hubei Wanfuxiang Rice Industry Co ltd
Current assignee: Hubei Wanfuxiang Rice Industry Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-01-18
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to the field of rice processing, and discloses a rice screening machine with a cleaning function, which comprises a screen body and a screen arranged in the screen body, wherein a cleaning mechanism is arranged below the screen, the cleaning mechanism comprises a cleaning frame, a slide rod and a driving part, the cleaning frame is arranged below the screen on the two sides of the rice flow direction on the screen, the slide rod is connected to the cleaning frame in a sliding manner, the driving part drives the slide rod to slide along the cleaning frame, the movement direction of the slide rod is the same as the rice flow direction, and a brush is arranged on the slide rod, so that the rice screening machine has the following advantages and effects: the automatic cleaning process of screen cloth can be realized to clean mechanism, avoids the screen cloth to be blockked up the phenomenon that causes the screening precision not high.

Description

Rice screening machine with cleaning function

Technical Field

The utility model relates to the technical field of rice processing, in particular to a rice screening machine with a cleaning function.

Background

The MMJM compound series rice grading sieve has the advantages of strong structure, reasonable design, and the equipped personalized sieve sheet, and is suitable for grading rice of all varieties. The rice grading machine has the advantages of low energy consumption, high yield, first-class grading effect and reasonable cooling to ensure the taste of rice by being equipped with air suction rice cooling equipment. According to different yields and different rice varieties in the production process of users, the speed is flexibly adjusted by frequency conversion, and the optimal grading effect can be achieved. In the existing rice grading screening process, the rice grading screening process consists of a power mechanism arranged in a rack and a grading screening mechanism arranged in a screening box above the rack; the power mechanism comprises a motor, a speed regulating mechanism, a tensioning mechanism gap bridge transmission mechanism, an eccentric slewing mechanism and the like which are arranged in the frame; the rice grading and screening device comprises a grading and screening mechanism which is arranged in a screen box above a rack, is provided with a screen grid with screen holes at a certain inclination angle, a flow guide flow plate arranged opposite to the inclination angle of the screen grid, a matched discharging plate, a rice distributing box, a front sealing plate with a detachable end of the screen box, a feeding hole and the like, and a power mechanism drives the grading and screening mechanism to do plane rotary motion, so that the grading and screening of rice are realized.

The utility model discloses a chinese utility model patent that grant publication number is CN206535753U discloses a white rice classifying screen, can cool down well through setting up negative-pressure air fan cooperation fin, the dehumidification is taken a breath, the inlet scoop at cooperation top is connected current device that induced drafts again, can further clear away the chaff powder and cool down, fall the wet, the roller rice machine has been solved, the mixed rice that the burnishing machine came out can not in time dispel the heat and get rid of remaining chaff powder in current sieve case, form the kerchief powder bonding thing easily and pile up gradually, rotten problem of discolouing, the quality of product has been improved greatly. However, the device is in the use, because the radial diameter of rice is far less than the axial length of rice, and the aperture of sieve mesh is generally between 2 ~ 5 millimeters in the screen cloth, and the radial diameter of rice is located between the sieve mesh aperture, if at the screening in-process, has some rice vertical card in the sieve mesh, causes the mobility of rice hierarchical screening to reduce, influences the hierarchical precision of rice.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rice screening machine with a cleaning function, which has the effects of efficiently grading and quickly cleaning screen holes.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a rice sieve machine with clean function, includes the screen frame and sets up the screen cloth at the screen frame inside, the screen cloth below is provided with clean mechanism, clean mechanism is including clean frame, slide bar and drive division, clean frame sets up the screen cloth below, slide bar sliding connection is in on the clean frame, the drive division drive the slide bar is followed clean frame slides, be provided with the brush on the slide bar, the brush with the screen cloth touches mutually and connects.

Through adopting above-mentioned technical scheme, can drive the clean mechanism that is located the screen cloth below and is parallel with the screen cloth, drive the brush and come and go the brush net from the bottom of screen cloth, after accomplishing the clean process of screen cloth, clean mechanism is near the screen frame inner wall, can not influence the screening process of screen cloth to the rice, and the self-cleaning process of screen cloth can be realized to this mode, avoids the screen cloth to be blockked up the phenomenon that causes the screening precision not high and takes place.

The utility model is further provided with: the driving part comprises a motor arranged at the end part of the cleaning frame, a screw rod fixedly arranged at the driving end of the motor, and a screw rod nut connected to the screw rod in a sliding manner, and the screw rod nut is rotationally connected with the end part of one end of the sliding rod.

The utility model is further provided with: one side of the cleaning frame, which is far away from the driving part, is provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding mode, and one end, which is far away from the driving part, of the sliding rod is rotatably connected in the sliding block.

The utility model is further provided with: the cleaning rack is characterized in that a rotating gear is radially arranged on the sliding rod, a rack is arranged on the cleaning rack, and the rack is meshed with the rotating gear.

The utility model is further provided with: the slide bar is cylindrical, and the brush length is greater than the distance between the upper end of the slide bar and the screen cloth.

The utility model is further provided with: clean frame is close to one side of drive division is provided with closed cavity, closed cavity is close to one side of slide bar is provided with the bar hole, lead screw, screw-nut, rotating gear and rack all are located inside the closed cavity, the slide bar tip passes the bar hole with the rotating gear is connected.

The utility model has the beneficial effects that:

1. according to the utility model, the cleaning mechanism parallel to the screen is arranged below the screen, the traditional screen is usually required to be taken out to clean the screen holes and then put into the screen body to work in the using process, and the arrangement of the cleaning mechanism not only can realize automatic screen cleaning, but also can prevent the screening precision from being reduced due to complete screening caused by screen hole blockage, so that the cleaning mechanism not only can improve the working efficiency in the cleaning process, but also can improve the screening precision.

2. According to the utility model, the rotating gear and the rack are adopted, so that the sliding rod can also realize the rotating function in the sliding process along the screen, the brush can clean the screen more easily, and the cleaning process is more thorough.

3. The brush is arranged into the cylindrical rotatable brush, the cylindrical brush can enable the brush wires to smoothly enter the sieve holes at a certain inclination angle and eject impurities in the sieve holes out of the sieve holes, and then the brush wires are ejected out of the sieve holes at a certain inclination angle.

4. According to the utility model, the closed cavity is arranged on one side of the driving part, so that the driving mechanical device can be positioned in the closed cavity, and impurities in the sieve body can be prevented from entering the rack or the lead screw, so that the rotation or sliding process of the brush is blocked and the device is damaged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of the screen and cleaning mechanism of the present invention.

Fig. 2 is an exploded view of the cleaning mechanism of the present invention.

Fig. 3 is a partial structural diagram of a portion a in fig. 2.

FIG. 4 is a schematic cross-sectional view of the screen body of the present invention.

In the figure, 1, a sieve body; 2. screening a screen; 3. a cleaning mechanism; 4. a cleaning frame; 41. a chute; 411. a slider; 42. sealing the cavity; 421. a strip-shaped hole; 43. a rack; 5. a slide bar; 51. a brush; 52. a rotating gear; 6. a drive section; 61. a motor; 62. a screw rod; 63. a lead screw nut.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

The embodiment of the utility model relates to a rice screening machine with a cleaning function, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the rice screening machine comprises a screen body 1 and a screen 2 arranged inside the screen body 1, a cleaning mechanism 3 is arranged below the screen 2, the cleaning mechanism 3 comprises a cleaning frame 4, a sliding rod 5 and a driving part 6, the cleaning frame 4 is arranged below the screen 2 on two sides of the rice flowing direction on the screen 2, the sliding rod 5 is connected to the cleaning frame 4 in a sliding manner, the driving part 6 drives the sliding rod 5 to slide along the cleaning frame 4, the moving direction of the sliding rod 5 is the same as the rice flowing direction, the sliding rod 5 is cylindrical, a hairbrush 51 is arranged on the sliding rod 5, the length of the hairbrush 51 is larger than the distance between the upper end of the sliding rod 5 and the screen 2, so that the hairbrush 51 can eject the rice inside of the screen hole, and the cleaning function of the screen 2 is realized.

As shown in fig. 2 and fig. 3, the driving portion 6 includes a motor 61 disposed at an end portion of the cleaning frame 4, a lead screw 62 fixedly disposed at a driving end of the motor 61, and a lead screw nut 63 slidably connected to the lead screw 62, the lead screw nut 63 is rotatably connected to an end portion of one end of the sliding rod 5, a rotating gear 52 is radially disposed on the sliding rod 5, a rack 43 is disposed on the cleaning frame 4, the rack 43 is engaged with the rotating gear 52, when the motor 61 drives the lead screw 62 to rotate, the lead screw 62 drives the sliding rod 5 to move, at this time, the rotating gear 52 on the sliding rod 5 is engaged with the rack 43, the sliding rod 5 fixedly connected to the rotating gear 52 is driven to rotate, the sliding rod 5 autorotates during the movement, a sliding groove 41 is disposed at a side of the cleaning frame 4 away from the driving portion 6, a sliding block 411 is slidably connected to the sliding groove 41, and one end of the sliding rod 5 away from the driving portion 6 is rotatably connected to the sliding block 411, the driving part 6 arranged at one end of the sliding rod 5 can drive the sliding rod 5 to move, and the other end of the sliding rod 5 is connected to the cleaning frame 4 in a sliding mode, so that the sliding rod 5 can move more smoothly, and jamming is avoided.

As shown in fig. 3, a closed cavity 42 is disposed on one side of the cleaning frame 4 close to the driving portion 6, a strip-shaped hole 421 is disposed on one side of the closed cavity 42 close to the sliding rod 5, the screw rod 62, the screw rod nut 63, the rotating gear 52 and the rack 43 are all located inside the closed cavity 42, and the end portion of the sliding rod 5 penetrates through the strip-shaped hole 421 to be connected with the rotating gear 52, so that impurities in the screen body 1 can be prevented from entering the rack 43 or the screw rod, and the rotation of the brush 51 or the clamping of the sliding process and the damage of the device can be prevented.

The working principle of the rice screening machine with the cleaning function is as follows: when the screen machine needs cleaning, the motor 61 is started, the screw rod 62 can drive the sliding rod 5 to move in the process that the motor 61 drives the screw rod 62 to rotate, at the moment, the rotating gear 52 on the sliding rod 5 is meshed with the rack 43, the sliding rod 5 fixedly connected to the rotating gear 52 is driven to rotate, the sliding rod 5 rotates in the moving process, the hairbrush 51 can eject rice in the screen holes, and the cleaning function of the screen 2 is achieved. The setting of clean mechanism 3 not only can realize automatic clean screen cloth 2, simultaneously, can also prevent to lead to the screening precision to reduce completely because the sieve mesh blocks up to cause the rice screening, consequently, clean mechanism 3 not only can improve the work efficiency of clean process and can also improve the screening precision.

Claims

1. The utility model provides a rice sieve machine with clean function, includes screen frame (1) and sets up screen cloth (2) inside screen frame (1), its characterized in that: screen cloth (2) below is provided with clean mechanism (3), clean mechanism (3) are including clean frame (4), slide bar (5) and drive division (6), clean frame (4) set up screen cloth (2) below, slide bar (5) sliding connection be in on clean frame (4), drive division (6) drive slide bar (5) are followed clean frame (4) slide, be provided with brush (51) on slide bar (5), brush (51) with screen cloth (2) meet mutually.

2. A rice screening machine with cleaning function according to claim 1, characterized in that: the driving part (6) comprises a motor (61) arranged at the end part of the cleaning frame (4), a screw rod (62) fixedly arranged at the driving end of the motor (61), and a screw rod nut (63) connected to the screw rod (62) in a sliding manner, wherein the screw rod nut (63) is rotatably connected with one end part of the sliding rod (5).

3. A rice screening machine with cleaning function according to claim 1, characterized in that: clean frame (4) are kept away from one side of drive division (6) is provided with spout (41), sliding connection has slider (411) in spout (41), slide bar (5) are kept away from the one end rotation of drive division (6) is connected in slider (411).

4. A rice screening machine with cleaning function according to claim 2, characterized in that: the cleaning device is characterized in that a rotating gear (52) is radially arranged on the sliding rod (5), a rack (43) is arranged on the cleaning frame (4), and the rack (43) is meshed with the rotating gear (52).

5. A rice screening machine with cleaning function according to claim 1, characterized in that: the sliding rod (5) is cylindrical, and the length of the hairbrush (51) is larger than the distance between the upper end of the sliding rod (5) and the screen (2).

6. A rice screening machine with cleaning function according to claim 4, characterized in that: clean frame (4) are close to one side of drive division (6) is provided with closed cavity (42), closed cavity (42) are close to one side of slide bar (5) is provided with bar hole (421), lead screw (62), screw-nut (63), rolling gear (52) and rack (43) all are located inside closed cavity (42), slide bar (5) tip passes bar hole (421) with rolling gear (52) are connected.