Rolling screening device for rice processing

Abstract

The utility model relates to the technical field of rice processing, and discloses a rolling screening device for rice processing, which comprises a driven gear fixedly connected to the right side wall of a screen, and the driven gear is rotatably connected to the outside of a feeding pipe; the rotating shaft is rotationally connected to the left inner wall of the bottom frame; the brush roller is fixedly connected to the exterior of the rotating shaft, and the brush roller makes contact with the outer side wall of the screen; the connecting shaft penetrates and is rotationally connected to the right side wall of the bottom frame, and the left end of the connecting shaft is connected with the right end of the rotating shaft; and the driving gear is fixedly connected to the outer part of the connecting shaft and is meshed with the driven gear. After the motor is started, the driving gear drives the driven gear meshed with the driving gear to rotate, rice screening is achieved when the screen rotates, in the rice screening process, the connecting shaft drives the rotating shaft and the brush roller to rotate, the brush roller and the screen rotate oppositely, bristles on the brush roller stretch into screen holes, and impurities in the screen holes of the screen are brushed out during rotation; the effect of cleaning the screen holes while screening is achieved, and the screening efficiency is prevented from being affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to rice processing technical field, concretely is a rolling screening device for rice processing. BACKGROUND

[0002] As one of the staple food of Chinese residents, the processing method of rice is continuously developed with the improvement of people's living standards. The typical rice milling process mainly has several processes such as cleaning, hulling, separation of husked rice and rice, rice milling and rice rubbing. Among them, screening is an important link of the rice processing process, and screening is divided into vibration screening and rolling screening, wherein the rolling screening is the way that the materials are screened out successfully in the rolling screen due to the rotation of the rolling screen from high to low through the screen mesh, and is suitable for the screening of dust and small particle materials. Because rice often contains some small stones and insect eggs, the effect of rolling screening is better.

[0003] In the rolling screening process of the existing rice, some small impurities such as bran powder and fiber may be stuck in the screen hole. If not cleaned in time, with the aggravation of the blockage, the screening efficiency will be affected. Moreover, the blockage will lead to the reduction of the effective screening area of the screen hole, so that the speed of the rice passing through the screen hole is slowed down, and then the normal operation of the whole screening process is affected. UTILITARIAN CONTENT

[0004] (I) Technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a rolling screening device for rice processing, which has the advantages of cleaning the screen, solves the problem that some small impurities are easy to block the screen hole in the rolling screening process of rice, and needs to be cleaned regularly, thereby reducing the rice screening efficiency.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a rolling screening device for rice processing, comprising a main body assembly, the main body assembly comprises:

[0008] A top cover is hinged to the top of the bottom frame;

[0009] A feeding pipe is inserted into the right side wall of the bottom frame, and the left end of the feeding pipe extends into the interior of the bottom frame;

[0010] A discharge port is arranged on the bottom of the bottom frame;

[0011] A foreign matter outlet is arranged on the left side wall of the bottom frame;

[0012] The bottom frame and the feeding pipe are provided with a cleaning assembly, and the cleaning assembly comprises:

[0013] A screen is rotatably connected to the inside of the bottom frame, the feeding pipe penetrates and extends into the screen, and the feeding pipe is rotatably connected to the right side wall of the screen.

[0014] A driven gear is fixedly connected to the right side wall of the screen, and the driven gear is rotatably connected to the outside of the feeding pipe.

[0015] A rotating shaft is rotatably connected to the left inner wall of the bottom frame.

[0016] A brush roller is fixedly connected to the outside of the rotating shaft, and the brush roller is in contact with the outer side wall of the screen.

[0017] A connecting shaft penetrates and is rotatably connected to the right side wall of the bottom frame, and the left end of the connecting shaft is connected to the right end of the rotating shaft.

[0018] A driving gear is fixedly connected to the outside of the connecting shaft and is engaged with the driven gear.

[0019] A motor is arranged on the right side wall of the bottom frame, and the output shaft of the motor is fixedly connected to the right end of the connecting shaft.

[0020] Preferably, the top surface of the impurity outlet is provided with a dust screen.

[0021] Preferably, the inner side wall of the screen is symmetrically and fixedly connected with a convex strip.

[0022] Preferably, a disassembly assembly is arranged between the rotating shaft and the connecting shaft, and the disassembly assembly comprises:

[0023] A fixed block is fixedly connected to the right end of the rotating shaft.

[0024] A through groove is arranged on the left end of the connecting shaft.

[0025] Screw holes are symmetrically arranged on the fixed block and the connecting shaft.

[0026] Screws are threadedly connected in the screw holes.

[0027] Preferably, the left inner wall of the bottom frame is provided with a placing groove, the left end of the rotating shaft extends into the placing groove, the rotating shaft is movably connected in the placing groove, and the width of the placing groove is equal to the diameter of the rotating shaft.

[0028] Preferably, the outer side wall of the top cover is provided with a handle.

[0029] (Three) beneficial effects

[0030] Compared with the prior art, the rolling screening device for rice processing has the following beneficial effects:

[0031] The screening device has the advantages that when the motor is started by the worker, the motor drives the driving gear to rotate, the driving gear drives the driven gear in meshing with the driving gear to rotate, the rotation of the screen realizes the screening of rice, in the process of screening rice, the connecting shaft drives the rotating shaft and the brush roller to rotate, the brush roller rotates in the opposite direction with the screen, the bristles on the brush roller extend into the screen hole, and the impurities in the screen hole are brushed out during the rotation, the effect of cleaning the screen hole while screening is realized, and the screening efficiency is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a structure schematic view of the utility model;

[0033] Figure 2 It is a top cover closing structure schematic view in the utility model;

[0034] Figure 3 It is a dismounting assembly structure schematic view in the utility model;

[0035] Figure 4 It is a screen and driven gear connection front view sectional structure schematic view in the utility model;

[0036] Figure 5 It is a bottom frame left view sectional structure schematic view in the utility model.

[0037] In the drawing:

[0038] 1, main assembly; 11, bottom frame; 12, top cover; 13, feed pipe; 14, discharge port; 15, impurity outlet;

[0039] 2, cleaning assembly; 21, screen; 211, convex strip; 22, driven gear; 23, rotating shaft; 231, placing groove; 24, brush roller; 25, connecting shaft; 26, driving gear; 27, motor;

[0040] 3, dismounting assembly; 31, fixed block; 32, through slot; 33, screw hole; 34, bolt;

[0041] 4, dust retaining cloth strip; 5, handle. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0043] Embodiment one

[0044] Refer to Figures 1-5 A rice processing rolling screening device, comprising a main body assembly 1, the main body assembly 1 comprising: a bottom frame 11, the top of which is hingedly connected with a top cover 12; a feeding pipe 13, which is inserted into the right side wall of the bottom frame 11, the left end of the feeding pipe 13 extending into the inside of the bottom frame 11; a discharge port 14, which is opened in the bottom of the bottom frame 11; a impurity discharge port 15, which is opened in the left side wall of the bottom frame 11; the bottom frame 11 and the feeding pipe 13 are provided with a cleaning assembly 2, the cleaning assembly 2 comprising: a screen 21, which is rotatably connected to the inside of the bottom frame 11, the feeding pipe 13 penetrating and extending into the screen 21, the feeding pipe 13 being rotatably connected with the right side wall of the screen 21; a driven gear 22, which is fixedly connected to the right side wall of the screen 21, the driven gear 22 being rotatably connected to the outside of the feeding pipe 13; a rotating shaft 23, which is rotatably connected to the left side inner wall of the bottom frame 11; a brush roller 24, which is fixedly connected to the outside of the rotating shaft 23, the brush roller 24 being in contact with the outside side wall of the screen 21; a connecting shaft 25, which penetrates and is rotatably connected to the right side wall of the bottom frame 11, the left end of the connecting shaft 25 being connected with the right end of the rotating shaft 23; a driving gear 26, which is fixedly connected to the outside of the connecting shaft 25 and engages with the driven gear 22; a motor 27, which is arranged on the right side wall of the bottom frame 11, the output shaft of the motor 27 being fixedly connected with the right end of the connecting shaft 25. The top surface of the impurity discharge port 15 is provided with a dust blocking cloth strip 4. The inside side wall of the screen 21 is symmetrically and fixedly connected with a protruding strip 211.

[0045] In use, the staff pours the rice to be screened into the feeding pipe 13, the rice enters the screen 21 through the feeding pipe 13, then the staff starts the motor 27, the motor 27 drives the driving gear 26 to rotate through the connecting shaft 25, the driving gear 26 drives the driven gear 22 to rotate, the screen 21 connected with the driven gear 22 rotates immediately, the rotation of the screen 21 realizes the screening of the rice, the qualified ones fall through the bottom of the screen 21 into the discharge port 14, and the impurities are discharged out of the bottom frame 11 through the impurity discharge port 15. In the process of screening the rice, the connecting shaft 25 drives the rotating shaft 23 and the brush roller 24 to rotate, the brush roller 24 rotates in the opposite direction of the screen 21, the bristles on the brush roller 24 extend into the screen holes and brush out the impurities in the screen holes during rotation, realizing the effect of screening and cleaning the screen holes at the same time, avoiding affecting the screening efficiency. In the process of screening the rice, the inside of the screen 21 is easy to raise dust, the dust blocking cloth strip 4 blocks the impurity discharge port 15, reducing the possibility of dust overflowing through the impurity discharge port 15, avoiding affecting the surrounding environment. The protruding strip 211 inside the screen 21 pushes the rice to keep turning when the screen 21 rotates, increasing the chances of the rice particles contacting the screen 21, thereby speeding up the screening of the rice.

[0046] Embodiment two

[0047] According to the basis of embodiment one, the auxiliary function is increased.

[0048] Referring to Figures 1-5 , the dismounting assembly 3 is arranged between the rotating shaft 23 and the connecting shaft 25, the dismounting assembly 3 comprises: a fixed block 31 fixedly connected to the right end of the rotating shaft 23; a through slot 32 arranged on the left end of the connecting shaft 25; screw holes 33 symmetrically arranged on the fixed block 31 and the connecting shaft 25; and bolts 34 threadedly connected in the screw holes 33. A placing groove 231 is arranged on the left inner wall of the bottom frame 11, the left end of the rotating shaft 23 extends into the placing groove 231, the rotating shaft 23 is movably connected in the placing groove 231, and the width of the placing groove 231 is equal to the diameter of the rotating shaft 23. The outer sidewall of the top cover 12 is provided with a handle 5.

[0049] After the brush roller 24 is used for a long time, the bristles on the surface are prone to wear, thereby affecting the cleaning effect, so that the staff regularly dismounts and replaces the rotating shaft 23 and the brush roller 24 through the dismounting assembly 3: when the rotating shaft 23 and the brush roller 24 need to be dismounted, the staff first opens the top cover 12, then loosens the bolts 34, and removes the bolts 34, at this time, the rotating shaft 23 and the brush roller 24 are lifted, the left end of the rotating shaft 23 slides out of the bottom frame 11 through the placing groove 231, then the left end of the new rotating shaft 23 is aligned and slid into the placing groove 231, the fixed block 31 is moved between the through slots 32, the bolts 34 are sequentially screwed into the screw holes 33 on the fixed block 31 and the through slots 32, the fixing of the rotating shaft 23 and the connecting shaft 25 is realized, and the next use is facilitated. The size of the placing groove 231 and the rotating shaft 23 makes the rotating shaft 23 slide in the placing groove 231, avoids the rotating shaft 23 shaking back and forth in the placing groove 231, and affects the stability of the rotating shaft 23 rotating in the placing groove 231. The handle 5 outside the top cover 12 provides a suitable holding position, so that the staff can save more labor when opening or closing the top cover 12.

[0050] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rolling sieve device for rice processing, comprising a main body assembly (1), the main body assembly (1) comprising: a bottom frame (11), the top of which is hingedly connected with a top cover (12); a feeding pipe (13) inserted into the right side wall of the bottom frame (11), the left end of the feeding pipe (13) extending into the inside of the bottom frame (11); a discharge port (14) formed in the bottom of the bottom frame (11); a foreign matter discharge port (15) formed in the left side wall of the bottom frame (11); characterized in that the bottom frame (11) and the feeding pipe (13) are provided with a cleaning assembly (2), the cleaning assembly (2) comprising: a screen (21) rotationally connected to the inside of the bottom frame (11), the feeding pipe (13) penetrating and extending into the screen (21), the feeding pipe (13) being rotationally connected to the right side wall of the screen (21); a driven gear (22) fixedly connected to the right side wall of the screen (21), the driven gear (22) being rotationally connected to the outside of the feeding pipe (13); a rotating shaft (23) rotationally connected to the left side inner wall of the bottom frame (11); a brush roller (24) fixedly connected to the outside of the rotating shaft (23), the brush roller (24) being in contact with the outside side wall of the screen (21); a connecting shaft (25) penetrating and rotationally connected to the right side wall of the bottom frame (11), the left end of the connecting shaft (25) being connected with the right end of the rotating shaft (23); a driving gear (26) fixedly connected to the outside of the connecting shaft (25) and engaged with the driven gear (22); a motor (27) provided on the right side wall of the bottom frame (11), the output shaft of the motor (27) being fixedly connected with the right end of the connecting shaft (25).

2. The rolling sieve device for rice processing according to claim 1, characterized in that: The top surface of the foreign matter discharge port (15) is provided with a dust stopping cloth strip (4).

3. The rolling sieve device for rice processing according to claim 2, characterized in that: The inside side wall of the screen (21) is symmetrically and fixedly connected with a protruding strip (211).

4. The rolling sieve device for rice processing according to claim 3, characterized in that: A dismounting assembly (3) is arranged between the rotating shaft (23) and the connecting shaft (25), the dismounting assembly (3) comprising: a fixed block (31) fixedly connected to the right end of the rotating shaft (23); a through slot (32) formed in the left end of the connecting shaft (25); screw holes (33) symmetrically formed in the fixed block (31) and the connecting shaft (25); screws (34) threadedly connected in the screw holes (33).

5. The rolling sieve device for rice processing according to claim 4, characterized by: A placing groove (231) is formed in the left side inner wall of the bottom frame (11), the left end of the rotating shaft (23) extending into the placing groove (231), the rotating shaft (23) movably connected in the placing groove (231), the width of the placing groove (231) being equal to the diameter of the rotating shaft (23).

6. The rolling sieve device for rice processing according to claim 1, characterized by: The outside side wall of the top cover (12) is provided with a handle (5).

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