Impurity and stone removing device for rice

Abstract

The utility model relates to the technical field of rice processing, in particular to a rice impurity and stone removing device which comprises a machine frame, a motor, a first fan, a blanking groove, a bearing cavity channel, a filter box and a second fan are sequentially and fixedly installed on the inner side of the machine frame from bottom to top, and a first rotating shaft is arranged on the left side of the first fan and rotatably installed on the inner side of the machine frame. The first rotating shaft is rotationally sleeved with a first eccentric sleeve shaft, a first forward and reverse lead screw sleeve is fixedly installed on the outer wall of the first eccentric sleeve shaft, the other end of the first forward and reverse lead screw sleeve is rotationally connected with a first fan shell cover, a port in the upper side of the first fan shell cover is fixedly connected with a discharging groove, and a plurality of air holes are formed in the discharging groove. According to the stone removing device, the motor, the first fan, the first rotating shaft, the first eccentric sleeve shaft, the first positive and negative screw rod sleeve and the blanking groove are designed in a matched mode, a vibration and pneumatic combined mode is adopted, the stone removing effect is achieved in a refined mode, and the defect that stone removing is incomplete through a filtering method is overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to rice processing technical field especially relates to a rice removes stone device. BACKGROUND

[0002] Rice, namely the fruit of rice, is one of the most important food crops in the world after shelling.

[0003] Reference has been authorized announcement no. The utility model patent discloses a kind of rice removes stone device of CN214765637U, including box, fan and motor, the top of the box is provided with rice discharge bin, and the top of the inside of the box of one side rice discharge bin is installed with dust collection frame, and the side of dust collection frame is provided with through-hole, the both sides of the box are provided with air slot, and recess is provided at the bottom of air slot, the inside of recess is provided with movable rod, and the top of movable rod is installed with the inclined frame body matched with air slot, installation slot is provided in the inside of inclined frame body, and the one end of box is hinged with door plate.

[0004] The above-mentioned patent is provided with two filter screens to filter and remove stones in rice, but this removal method is not ideal, when the particle size of stones in rice is smaller than or close to the particle size of rice, the filtering method cannot achieve the removal effect, to solve the above-mentioned technical deficiencies, we propose a kind of rice removes stone device. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a kind of rice removes stone device.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of rice removes stone device, including rack, the inside of the rack is sequentially fixedly installed with motor, first fan, drop chute, receiving cavity, filter box and second fan from below to above, the left side of first fan is provided with first rotating shaft, the first rotating shaft is rotatably installed in the inside of rack, first eccentric sleeve shaft is rotatably set on the first rotating shaft, first positive and negative screw sleeve is fixedly installed on the outer wall of first eccentric sleeve shaft, the other end of first positive and negative screw sleeve is rotatably connected with first fan shell cover, the upper side port of first fan shell cover is fixedly connected with drop chute, a plurality of air holes are formed in drop chute, drop chute is inclined, stone outlet is arranged on the upper side of drop chute, and rice outlet is arranged on the lower side of drop chute.

[0008] Further, the front side of the frame is sequentially provided with a first pulley, a second pulley, a third pulley, a fourth pulley and a fifth pulley from bottom to top, and the first pulley, the second pulley, the third pulley, the fourth pulley and the fifth pulley are sequentially sleeved with a belt outside.

[0009] Further, the first pulley is fixedly installed on the output end of the motor, the second pulley is fixedly installed on the outer side end of the first fan shaft, and the third pulley is fixedly installed on the outer side end of the first rotating shaft.

[0010] Further, the first fan shaft passes through the outside of the shell cover, and a gap is reserved at the passing position of the first fan shaft and the shell cover.

[0011] Further, the filter box is provided with a feeding opening at the bottom, the feeding opening is located directly above the receiving cavity, and the bottom opening of the receiving cavity is located above the feeding groove.

[0012] Further, the filter box is fixedly installed with a primary filter screen and a secondary filter screen inside, the primary filter screen is located above the secondary filter screen, the filter box is fixedly installed with a sundry outlet on the right side, and the sundry outlet is connected with the inside of the filter box.

[0013] Further, the second rotating shaft is rotatably installed on the upper side of the frame, the second eccentric sleeve shaft is rotatably installed on the second rotating shaft, the second positive and negative screw sleeve is fixedly installed on the outer side of the second eccentric sleeve shaft, the other end of the second positive and negative screw sleeve is rotatably connected with the side wall of the filter box, and the outer side end of the second rotating shaft is fixedly connected with the fourth pulley.

[0014] Further, the second fan shaft is fixedly connected with the fifth pulley, the second fan is connected with an air outlet and an air pipe, and the lower side port of the air pipe is connected with the receiving cavity.

[0015] Compared with the related art, the rice impurity and stone removing device has the following beneficial effects:

[0016] The utility model discloses a rice remove impurity and stone device, the motor, first fan, first rotating shaft, first eccentric sleeve shaft, first positive and negative screw rod sleeve and blanking groove are set up in the inside of frame, the synchronous rotation of first fan and first rotating shaft is driven through motor, make the blowing effect of fan produce upward, in addition, the first rotating shaft rotates, and the first positive and negative screw rod sleeve is driven to do reciprocating motion through the eccentric rotation effect of first eccentric sleeve shaft, and then the end of first positive and negative screw rod sleeve drives the shell cover of first fan to produce vibration effect, and then synchronously drive the blanking groove vibration of upside, utilize the difference of rice and stone density, suspension velocity etc., make stone sink to the bottom, rice upper through material layering, and let rice slide down, stone slides up relatively through sieve surface vibration, and airflow auxiliary reduces friction, and the difference is increased, realizes the separation of both, and then rice slides down from the rice outlet of blanking groove downside after separating, and stone slides down from the stone outlet of blanking groove upside, adopt the mode that vibration and pneumatic combination, and the stone removal effect is realized in fine, avoid the drawback that rice is not completely removed by filtering, and the practicality is strengthened.

[0017] In addition, the power sources in the utility model are provided by single motors, and the first belt pulley to the fifth belt pulley are all end joint components of motor power transmission, so that the structure of the whole device is closely matched, and the linkage effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A three-dimensional structure schematic view of the rice remove impurity and stone device is provided for the utility model.

[0019] Figure 2 A front view of the rice remove impurity and stone device is provided for the utility model.

[0020] Figure 3 A right view of the rice remove impurity and stone device is provided for the utility model.

[0021] Figure 4 A top view of the rice remove impurity and stone device is provided for the utility model.

[0022] In the drawing: 1, frame; 2, motor; 3, first belt pulley; 4, first fan; 5, second belt pulley; 6, first rotating shaft; 7, first eccentric sleeve shaft; 8, third belt pulley; 9, first positive and negative screw rod sleeve; 10, blanking groove; 11, stone outlet; 12, rice outlet; 13, receiving cavity; 14, filter box; 15, primary filter screen; 16, secondary filter screen; 17, impurity outlet; 18, second rotating shaft; 19, second eccentric sleeve shaft; 20, second positive and negative screw rod sleeve; 21, fourth belt pulley; 22, second fan; 23, fifth belt pulley; 24, air outlet; 25, air pipe. PREFERRED EMBODIMENT

[0023] The utility model is further described below with reference to the drawings and embodiments.

[0024] Referring to Figures 1-4 A rice removing impurities and stones device, comprising a rack 1, a motor 2, a first fan 4, a material falling groove 10, a receiving cavity 13, a filter box 14 and a second fan 22 are fixedly installed on the inner side of the rack 1 from bottom to top, a first rotating shaft 6 is arranged on the left side of the first fan, the first rotating shaft 6 is rotatably installed on the inner side of the rack 1, a first eccentric sleeve shaft 7 is rotatably sleeved on the first rotating shaft 6, a first forward and reverse screw sleeve 9 is fixedly installed on the outer wall of the first eccentric sleeve shaft 7, the other end of the first forward and reverse screw sleeve 9 is rotatably connected with the shell cover of the first fan 4, the upper side port of the shell cover of the first fan 4 is fixedly connected with the material falling groove 10, a plurality of air holes are formed in the material falling groove 10, the material falling groove 10 is arranged in an inclined manner, a stone outlet 11 is arranged on the upper side of the material falling groove 10, and a rice outlet 12 is arranged on the lower side of the material falling groove 10.

[0025] In the mode, a first belt pulley 3, a second belt pulley 5, a third belt pulley 8, a fourth belt pulley 21 and a fifth belt pulley 23 are sequentially arranged on the front side of the rack 1 from bottom to top, belts are sequentially sleeved on the outer sides of the first belt pulley 3, the second belt pulley 5, the third belt pulley 8, the fourth belt pulley 21 and the fifth belt pulley 23, the first belt pulley 3 is fixedly installed on the output end of the motor 2, the second belt pulley 5 is fixedly installed on the outer side end of the fan shaft of the first fan 4, and the third belt pulley 8 is fixedly installed on the outer side end of the first rotating shaft 6.

[0026] Through the above-mentioned arrangement, the motor 2 can drive the first belt pulley 3 to rotate when starting, and then the second to fifth belt pulleys 23 are synchronously driven to rotate through the belt transmission effect, so that the power output transmission of the single motor 2 is realized.

[0027] In the mode, the fan shaft of the first fan 4 passes through the outer side of the shell cover, and a gap is left at the position where the fan shaft of the first fan 4 passes through the shell cover.

[0028] Through the above-mentioned arrangement, the first fan 4 needs to transmit vibration effect when working, and the gap left at the position where the fan shaft of the first fan 4 passes through the shell cover can prevent the vibration of the shell of the first fan 4 from affecting the fan shaft and the fan blades thereon, thereby ensuring the working stability of the first fan 4.

[0029] In the mode, a material falling port is formed in the bottom of the filter box 14, the material falling port is located directly above the receiving cavity 13, and the bottom port of the receiving cavity 13 is located above the material falling groove 10.

[0030] Through the above-mentioned arrangement, the receiving cavity 13 guides the rice filtered through the filter box 14 downward into the material falling groove 10.

[0031] In the mode, the first filter screen 15 and the second filter screen 16 are fixedly installed inside the filter box 14, the first filter screen 15 is located above the second filter screen 16, and the sundry outlet 17 is fixedly installed on the right side of the filter box 14 and communicates with the inside of the filter box 14.

[0032] Through the two-layer filtering effect of the first filter screen 15 and the second filter screen 16, the sundries in the rice can be effectively removed, and the sundry outlet 17 on the right side is used to discharge the sundries that cannot pass through the filter screen.

[0033] In the mode, the second rotating shaft 18 is rotatably installed on the upper side of the rack 1, the second eccentric sleeve shaft 19 is rotatably installed on the second rotating shaft 18, the second positive and negative screw sleeve 20 is fixedly installed on the outer side of the second eccentric sleeve shaft 19, the other end of the second positive and negative screw sleeve 20 is rotatably connected with the side wall of the filter box 14, and the outer side end of the second rotating shaft 18 is fixedly connected with the fourth belt pulley 21.

[0034] Through the above mode, when the second rotating shaft 18 is driven to rotate, the rotation of the second rotating shaft 18 and the second eccentric sleeve shaft 19 drives the second positive and negative screw sleeve 20 to reciprocate, and then the second positive and negative screw sleeve 20 drives the entire filter box 14 to vibrate, so that the filter box 14 can drive the filter screen arranged inside to vibrate and screen, and the filtering efficiency of the filter box 14 is improved.

[0035] In the mode, the fan shaft of the second fan 22 is fixedly connected with the fifth belt pulley 23, the exhaust port 24 and the air pipe 25 are communicated and installed on the second fan 22, and the lower side end of the air pipe 25 is communicated with the receiving cavity 13.

[0036] Through the above mode, the air pipe 25 is communicated with the suction end of the second fan 22, and then when the second fan 22 works, the port of the air pipe 25 generates suction force in the receiving cavity 13, so that the light sundries (such as dust) in the rice falling from the receiving cavity 13 are sucked into the exhaust port 24 and discharged.

[0037] In addition, it should be noted that the first positive and negative screw sleeve 9 and the second positive and negative screw sleeve 20 are arranged, the positive and negative screw sleeve utilizes two screw rods with opposite screw directions, the two screw rods are away from or close to each other through the rotation of the sleeve, and then the overall length of the positive and negative screw sleeve assembly is changed, the first positive and negative screw sleeve 9 and the second positive and negative screw sleeve 20 are in the vibration transmission system, and then the reciprocating amplitude can be adjusted by changing the length, and then the vibration amplitude is changed.

[0038] The working principle of the rice sundry and stone removing device is as follows:

[0039] In use, the motor 2 is started to work, driving the first pulley 3 to rotate the roller, and through the transmission of the belt, the first fan 4, the first rotating shaft 6, the second rotating shaft 18 and the second fan 22 are synchronously rotated and work, when the second rotating shaft 18 rotates, the second eccentric sleeve shaft 19 and the second forward and reverse screw sleeve 20 are used to vibrate the filter box 14, the rice to be processed is introduced from above the filter box 14, and then under the vibration screening of the first-level filter screen 15 and the second-level filter screen 16 in the filter box 14, the larger impurities in the rice are filtered out, the filtered rice falls from the bottom of the filter box 14 to the receiving cavity 13, when the rice falls in the receiving cavity 13, the wind pipe 25 is sucked by the second fan 22 to produce a suction effect on the inside of the receiving cavity 13, the light impurities in the rice are sucked and discharged from the exhaust port 24, the subsequent rice slides onto the upper side of the chute 10, the first rotating shaft 6 rotates, the first eccentric sleeve shaft 7 and the first forward and reverse screw sleeve 9 are used to vibrate the chute 10, and the first fan 4 blows air upward to the chute 10, the density and suspension speed of the rice and the stone are different, the stone is at the bottom and the rice is on the top through the material layering, the rice slides downward and the stone slides upward due to inertia, the airflow reduces the friction and increases the difference, the separation of the rice and the stone is realized, and then the separated rice slides from the rice outlet 12 on the lower side of the chute 10, and the stone slides from the stone outlet 11 on the upper side of the chute 10, the vibration and the pneumatic combination are used to realize the stone removal.

[0040] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A paddy rice unscrambling and stoning device, characterized by comprising: It includes a frame (1), inside which there are successively and fixedly installed a motor (2), a first fan (4), a blanking chute (10), a receiving cavity (13), a filter box (14) and a second fan (22) from bottom to top. On the left side of the first fan, there is a first rotating shaft (6), which is rotatably installed inside the frame (1). A first eccentric sleeve shaft (7) is rotatably sleeved on the first rotating shaft (6). A first left and right screw rod sleeve (9) is fixedly installed on the outer wall of the first eccentric sleeve shaft (7). The other end of the first left and right screw rod sleeve (9) is rotatably connected to the outer casing of the first fan (4). The upper side port of the outer casing of the first fan (4) is fixedly connected to the blanking chute (10). A number of air holes are opened on the blanking chute (10). The blanking chute (10) is inclined. A stone outlet (11) is arranged on the upper side of the blanking chute (10), and a rice outlet (12) is arranged on the lower side of the blanking chute (10).

2. The paddy rice unclean and stone removing device according to claim 1, characterized in that, On the front side of the frame (1), there are successively arranged a first pulley (3), a second pulley (5), a third pulley (8), a fourth pulley (21) and a fifth pulley (23) from bottom to top. Belts are successively sleeved on the outer sides of the first pulley (3), the second pulley (5), the third pulley (8), the fourth pulley (21) and the fifth pulley (23).

3. A paddy rice unhusking and stone removing apparatus according to claim 2, wherein The first pulley (3) is fixedly installed on the output end of the motor (2). The second pulley (5) is fixedly installed on the outer end of the fan shaft of the first fan (4). The third pulley (8) is fixedly installed on the outer end of the first rotating shaft (6).

4. The paddy rice unclean and stone removing device according to claim 1, characterized in that, The fan shaft of the first fan (4) passes through the outside of the outer casing, and there is a gap at the place where the fan shaft of the first fan (4) passes through the outer casing.

5. The paddy rice unclean and stone removing device according to claim 1, wherein A blanking port is opened at the bottom of the filter box (14). The blanking port is directly above the receiving cavity (13). The bottom port of the receiving cavity (13) is above the blanking chute (10).

6. The paddy rice unclean and stone removing device according to claim 1, wherein Inside the filter box (14), a primary filter screen (15) and a secondary filter screen (16) are fixedly installed. The primary filter screen (15) is above the secondary filter screen (16). A debris outlet (17) is fixedly installed on the right side of the filter box (14). The debris outlet (17) is connected to the inside of the filter box (14).

7. The paddy rice unclean and stone removing device according to claim 1, characterized in that, On the upper side of the frame (1), a second rotating shaft (18) is rotatably installed. A second eccentric sleeve shaft (19) is rotatably installed on the second rotating shaft (18). A second left and right screw rod sleeve (20) is fixedly installed on the outside of the second eccentric sleeve shaft (19). The other end of the second left and right screw rod sleeve (20) is rotatably connected to the side wall of the filter box (14). The outer end of the second rotating shaft (18) is fixedly connected to the fourth pulley (21).

8. The paddy rice unclean and stone removing device according to claim 1, characterized in that, [[ID=?]]The fan shaft of the second fan (22) is fixedly connected to the fifth pulley (23). An air outlet (24) and an air duct (25) are connected and installed on the second fan (22). The lower side port of the air duct (25) is connected to the receiving cavity (13).

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