Rice polishing machine

Abstract

The utility model relates to the technical field of rice processing, and discloses a rice polishing machine which comprises a charging barrel, a polishing box is arranged on the charging barrel, a set of polishing rollers are arranged in the polishing box, and a driving mechanism is arranged at the ends of the set of polishing rollers; the driving mechanism comprises a transmission gear set arranged on the same side of the two polishing rollers, a motor is arranged in the center of the end of one polishing roller, a first belt wheel is arranged on an output shaft of the motor, a second belt wheel is arranged on the first belt wheel through a transmission belt, and the transmission gear set is arranged on the other side of the two polishing rollers. A connecting shaft is arranged on the end face of the second belt wheel, a plurality of cams are arranged on the connecting shaft, a suction assembly and an anti-blocking assembly are arranged on the upper portion and the lower portion of an inner cavity of the polishing box correspondingly, and a screening assembly is arranged on the lower side of an inner cavity of the material barrel. Through cooperative use of the polishing roller, the driving mechanism and the anti-blocking assembly, the problem that a discharging opening in the lower portion of the polishing box is blocked due to the fact that too much rice is introduced at a time is solved.

Description

Technical Field

[0001] The present application relates to the technical field of rice processing, and in particular to a rice polishing machine. Background Art

[0002] Rice polishing is an indispensable step in the rice processing process. Rice polishing can not only remove the floating sugar on the surface of rice grains, but also pre-gelatinize and gelatinize the starch on the surface of rice grains. Starch gelatinization fills the cracks, thereby obtaining a crystal clear appearance quality, improving the storage performance and commodity value of rice.

[0003] With respect to the above-mentioned related technologies, the inventor believes that the existing rice polishing device cannot control the amount of feed, and excessive feed at one time may cause the unsmooth feeding after the rice is polished, thereby affecting the subsequent use, and there is a defect of low working efficiency;

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In order to solve the problem of clogging of the lower discharge port of a polishing box due to excessive amount of rice being introduced at one time, the present application provides a rice polishing machine.

[0006] A rice polishing machine provided in this application adopts the following technical solution:

[0007] A rice polishing machine comprises a barrel, a polishing box is arranged on the barrel, and a feed inlet and a discharge outlet for rice are respectively arranged on the upper and lower sides of the polishing box, a group of polishing rollers are arranged opposite to each other in the inner cavity of the polishing box, and a driving mechanism for power output is arranged at the end of the group of polishing rollers;

[0008] The driving mechanism includes a transmission gear set correspondingly arranged on the same side of a group of two polishing rollers, wherein a motor is arranged at the end center of one of the polishing rollers, a first pulley is arranged on the output shaft of the motor, a second pulley is arranged on the first pulley through a transmission belt, a connecting shaft is horizontally arranged at the end center of the second pulley, a plurality of cams are arranged on the connecting shaft, a suction component for handling dust during rice polishing is arranged in the inner cavity of the polishing box and on the top surface away from the feed port, an anti-blocking component for discharging polished rice is vertically arranged in the inner cavity of the polishing box and in the discharge port, and a screening component for vibrating and screening rice particle size is arranged in the inner cavity of the barrel and below the polishing box.

[0009] Preferably, the suction assembly includes a filter plate arranged on the top surface of the inner cavity of the polishing box, a conduit is arranged on the upper part of the filter plate, a bellows is arranged at the other end of the conduit, and a dust collecting chamber with a fan fixed thereon is arranged in the bellows.

[0010] Preferably, the anti-blocking component includes a spiral blade arranged in the lower discharge port of the polishing box, a circular cavity is arranged outside the spiral blade and in the inner cavity of the lower discharge port of the polishing box, a worm gear is arranged at the lower end of the central axis of the spiral blade, a material guide cone is arranged at the upper part of the worm gear and between the spiral blades, a worm is arranged on the horizontal rear side of the worm gear, and a second gear is arranged at one end of the worm gear.

[0011] Preferably, a first gear meshingly connected to the vertical surface of the connecting shaft corresponding to the second gear is provided.

[0012] Preferably, the screening assembly comprises a screen plate arranged in the inner cavity of the barrel, a spring is arranged at the lower side of the end corner of the screen plate, and four springs distributed at the end corners are fixedly arranged on the inner cavity wall of the barrel.

[0013] Preferably, a sloped platform is provided on the bottom surface of the inner cavity of the barrel, and an opening is provided on the lower horizontal surface of the sloped platform and at the end of the barrel.

[0014] In summary, this application includes the following beneficial technical effects:

[0015] Through the coordinated use of the polishing roller, the driving mechanism and the anti-clogging component, the first pulley sleeved on the motor output shaft and the second pulley connected to the transmission belt wound thereon are used to synchronously drive the connecting shaft to rotate, and the multiple cams fixed on the connecting shaft will have intermittent vibration contact with the sieve plate to achieve screening of the rice particle size on the surface of the sieve plate. In addition, the coordinated use of the first gear arranged on the connecting shaft and the anti-clogging component will drive the spiral blade to rotate in the circular cavity reserved in the inner cavity of the lower discharge port of the polishing box, so as to realize the downward conveying of the polished rice and avoid the clogging of the circular cavity reserved in the inner cavity of the lower discharge port of the polishing box due to too much rice being introduced at one time. Compared with the existing technology, the method has the effects of simple operation and high transmission efficiency, and solves the problem of clogging of the lower discharge port of the polishing box due to too much rice being introduced at one time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall external stereoscopic structure of an embodiment of the application;

[0017] Figure 2 is a cross-sectional first-view stereoscopic structural schematic diagram of an embodiment of the application;

[0018] Figure 3 is a schematic diagram of a cross-sectional third-angle structure of an embodiment of the application;

[0019] Figure 4 It is an application example Figure 3 A in the middle is an enlarged schematic diagram of the three-dimensional structure.

[0020] Explanation of the accompanying drawings: 1. Barrel; 2. Polishing box; 3. Polishing roller; 4. Driving mechanism; 41. Transmission gear set; 42. Motor; 43. First pulley; 44. Second pulley; 45. Connecting shaft; 46. Cam; 47. First gear; 5. Suction assembly; 51. Filter plate; 52. Conduit; 53. Bellows; 6. Anti-clogging assembly; 61. Spiral blade; 62. Worm gear; 63. Material guide cone; 64. Worm; 65. Second gear; 7. Screening assembly; 71. Screen plate; 72. Spring; 8. Inclined table. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-4 This application is described in further detail.

[0022] The present application embodiment discloses a rice polishing machine. Figure 1-4 A rice polishing machine comprises a barrel 1, a polishing box 2 is welded on the barrel 1, and the upper and lower non-side portions of the polishing box 2 are respectively provided with a feed port and a discharge port for rice to enter and exit, a group of polishing rollers 3 are relatively installed on the horizontal plane of the inner cavity of the polishing box 2, and a driving mechanism 4 for power output is installed at the end of a group of polishing rollers 3, and the driving mechanism 4 comprises a transmission gear set 41 which is correspondingly sleeved and fixed on the same side of the central axis of a group of two polishing rollers 3, and two transmission gears in the transmission gear set 41 are meshed with each other on the vertical plane on the same side, a motor 42 is installed on the outer end of the central axis of the end of one of the polishing rollers 3, and the output shaft of the motor 42 is fixed to the central axis of the end of the corresponding polishing roller 3 through a coupling. A first pulley 43 is fixedly sleeved on the output shaft of the motor 42 and on the upper part thereof, a second pulley 44 is installed on the first pulley 43 by winding a transmission belt, a fixed coupling 45 is sleeved horizontally at the end center of the second pulley 44, a plurality of cams 46 are sleeved and fixed on the coupling 45, and the plurality of cams 46 are designed to be spaced at the same distance, a suction component 5 for handling dust during rice polishing is installed in the inner cavity of the polishing box 2 and on the top surface away from the feed port, an anti-blocking component 6 for discharging polished rice is vertically installed in the inner cavity of the polishing box 2 and in the discharge port, and a screening component 7 for vibrating and screening the rice grain size is installed in the inner cavity of the barrel 1 and below the polishing box 2;

[0023] By adopting the above technical solution, the polishing roller 3 on the corresponding side is driven to rotate by the motor 42, and with the cooperation of the transmission gear set 41, the two polishing rollers 3 rotate towards each other, thereby achieving the polishing effect of rice entering the polishing box 2. In addition, with the cooperation and drive of the driving mechanism 4, the anti-blocking component 6 and the screening component 7 are synchronously operated.

[0024] Reference Figure 3The suction assembly 5 includes a filter plate 51 fixedly mounted on the top surface of the inner cavity of the polishing box 2 by means of a cavity screw, a conduit 52 is connected to the upper part of the filter plate 51, and a bellows 53 is connected to the other end of the conduit 52, and a dust collecting chamber with a fan fixed therein is reserved in the bellows 53;

[0025] By adopting the above technical solution, the fan inside the dust collecting chamber fixed with the fan in the bellows 53 can select the corresponding power as needed, and the fan in the bellows 53 can be started. The negative airflow generated passes through the filter plate 51 and the duct 52 to the dust collecting chamber reserved in the bellows 53 to perform dust suction operation.

[0026] Reference Figure 4 The anti-blocking component 6 includes a spiral blade 61 installed in the lower discharge port of the polishing box 2, a circular cavity is left outside the spiral blade 61 and in the inner cavity of the lower discharge port of the polishing box 2, a fixed worm gear 62 is sleeved at the lower end of the central axis of the spiral blade 61, a fixed material guide truncated table 63 is sleeved on the upper part of the worm gear 62 and between the spiral blades 61, a worm 64 is connected to the horizontal rear side of the worm gear 62, a locking structure is provided on the worm 64 and the worm gear 62, and a fixed second gear 65 is sleeved at one end of the worm gear 64;

[0027] By adopting the above technical solution, the spiral blade 61 is rotated in the circular cavity reserved in the inner cavity of the lower discharge port of the polishing box 2 to realize the downward conveyance of the polished rice, thereby avoiding the clogging of the circular cavity reserved in the inner cavity of the lower discharge port of the polishing box 2 caused by too much rice being introduced at one time.

[0028] Reference Figure 4 , a first gear 47 is sleeved and fixedly meshed with the vertical surface of the connecting shaft 45 corresponding to the second gear 65;

[0029] By adopting the above technical solution, power is transmitted through the first gear 47 and the second gear 65 which are fixedly sleeved on the same side of the connecting shaft 45 and the worm 64 and are in vertical meshing connection, thereby reducing the number of power motors used.

[0030] Reference Figure 3 The screening assembly 7 includes a screen plate 71 installed horizontally and offset up and down in the inner cavity of the barrel 1, a spring 72 is welded on the lower side of the end corner of the screen plate 71, and four springs 72 distributed at the end corners are welded and fixed to the inner cavity wall of the barrel 1;

[0031] By adopting the above technical solution, under the elastic support of the spring 72, a plurality of cams 46 fixedly mounted on the connecting shaft 45 rotate on the surface of the sieve plate 71, and the intermittent vibration contact between the cams 46 and the sieve plate 71 is utilized to achieve the screening of the rice grain size on the surface of the sieve plate 71.

[0032] Reference Figure 2 The bottom surface of the inner cavity of the barrel 1 is integrally formed with an inclined platform 8, and the lower horizontal surface of the inclined platform 8 is provided with openings penetrating inside and outside the end of the barrel 1;

[0033] By adopting the above technical solution, the upper surface of the inclined platform 8 is utilized to realize the inclined feeding operation of rice.

[0034] The implementation principle of a rice polishing machine in the embodiment of the present application is as follows: when in use, the motor 42 is started, and first, the polishing rollers 3 connected to the output shaft coupling on the motor 42 are driven to rotate in opposite directions with the cooperation of the transmission gear set 41, so as to polish the rice entering the polishing box 2 through the feed inlet, and then the first pulley 43 mounted on the output shaft of the motor 42 and the second pulley 44 connected to the transmission belt wound thereon are synchronously driven to rotate the connecting shaft 45, and the multiple cams 46 fixed on the connecting shaft 45 will come into intermittent vibration contact with the sieve plate 71 to realize the surface of the sieve plate 71 The rice grain size is screened. In addition, the first gear 47 and the anti-clogging component 6 arranged on the connecting shaft 45 are used in coordination, which will drive the spiral blade 61 to rotate in the circular cavity reserved in the inner cavity of the lower discharge port of the polishing box 2, so as to achieve the effect of conveying the polished rice downward, and avoid the blockage of the circular cavity reserved in the inner cavity of the lower discharge port of the polishing box 2 caused by too much rice entering at one time. During the rice polishing, the fan in the bellows 53 is started, and the negative airflow generated is separated by the filter plate 51 and conveyed by the duct 52. The dust can be gathered and collected in the dust collecting chamber reserved in the bellows 53, so as to avoid the dust after the rice polishing from escaping and affecting the transmission efficiency of the mechanical structure.

[0035] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0036] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0037] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A rice polishing machine, comprising a barrel (1), a polishing box (2) being arranged on the barrel (1), and a feed inlet and a discharge outlet for rice to enter and exit are respectively arranged on the upper and lower non-side of the polishing box (2), characterized in that: A group of polishing rollers (3) are arranged opposite to each other in the inner cavity of the polishing box (2), and a driving mechanism (4) for power output is arranged at the end of the group of polishing rollers (3); The driving mechanism (4) comprises a transmission gear set (41) correspondingly arranged on the same side of a group of two polishing rollers (3), wherein a motor (42) is arranged at the center of the end of one of the polishing rollers (3), a first pulley (43) is arranged on the output shaft of the motor (42), a second pulley (44) is arranged on the first pulley (43) through a transmission belt, a connecting shaft (45) is horizontally arranged at the center of the end face of the second pulley (44), and a plurality of cams (46) are arranged on the connecting shaft (45), a suction component (5) for handling dust during rice polishing is arranged in the inner cavity of the polishing box (2) and away from the top surface of the feed inlet, an anti-blocking component (6) for discharging polished rice is arranged vertically in the inner cavity of the polishing box (2) and in the discharge port, and a screening component (7) for vibrating and screening the rice grain size is arranged in the inner cavity of the barrel (1) and below the polishing box (2).

2. A rice polishing machine according to claim 1, characterized in that: The suction assembly (5) comprises a filter plate (51) arranged on the top surface of the inner cavity of the polishing box (2), a duct (52) is arranged on the upper part of the filter plate (51), a bellows (53) is arranged at the other end of the duct (52), and a dust collecting chamber with a fan fixed therein is arranged in the bellows (53).

3. A rice polishing machine according to claim 1, characterized in that: The anti-clogging component (6) comprises a spiral blade (61) arranged in the lower discharge port of the polishing box (2), a circular cavity is arranged outside the spiral blade (61) and in the inner cavity of the lower discharge port of the polishing box (2), a worm gear (62) is arranged at the lower end of the central axis of the spiral blade (61), a material guide cone (63) is arranged at the upper part of the worm gear (62) and between the spiral blades (61), a worm (64) is arranged on the horizontal rear side of the worm gear (62), and a second gear (65) is arranged at one end of the worm gear (64).

4. A rice polishing machine according to claim 3, characterized in that: A first gear (47) is provided on the vertical surface of the connecting shaft (45) corresponding to the second gear (65) and meshingly connected therewith.

5. A rice polishing machine according to claim 1, characterized in that: The screening assembly (7) comprises a screen plate (71) arranged in the inner cavity of the barrel (1), a spring (72) being arranged at the lower side of the end corner of the screen plate (71), and four springs (72) distributed at the end corners are fixedly arranged on the inner cavity wall of the barrel (1).

6. A rice polishing machine according to claim 1, characterized in that: The bottom surface of the inner cavity of the barrel (1) is provided with an inclined platform (8), and the lower horizontal surface of the inclined platform (8) and the end of the barrel (1) are provided with an opening.

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