Impurity and stone removing device for rice processing
By designing a shaking mechanism and dust collection mechanism in the rice stone removal device, the problem of easy blockage of the filter mesh and difficulty in collecting small particles is solved, and efficient material screening and dust removal effects are achieved.
Patent Information
- Application Number
- CN202421188127.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-05-28
AI Technical Summary
In the existing rice stone removal device, the filter mesh is easily blocked by small particles of impurities, which affects the filtration efficiency and is difficult to effectively collect and treat small particles of dust impurities in the rice.
A stone removal device including a shaking mechanism and a dust collecting mechanism is designed. The shaking mechanism drives the push block to rotate by driving the motor, and combines with the action of the spring to achieve vertical vibration of the screen to prevent blockage. The dust collecting mechanism uses an air pump to form a negative pressure, sucks air and small particles through the air inlet, and collects it on a filter for processing.
It effectively prevents the filter from being blocked by small particles of impurities, improves filtration efficiency, and can effectively collect and treat small particles of dust and impurities in rice, improving the impurity removal effect.
Smart Images

Figure CN222842554U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rice stone removal, in particular to a device for removing impurities and stones for rice processing. Background Art
[0002] Rice is one of the most important food products in my country. When processing raw rice, removing stones and other debris can effectively improve the quality of the finished product.
[0003] The utility model patent with patent authorization announcement number CN219850580U discloses a device for removing impurities and stones for rice processing, including a specific gravity stone remover, a discharge port is provided at the front end of the specific gravity stone remover, a flat discharge pipe is installed at the discharge port, a chute is provided on the top wall of the flat discharge pipe, a filter is installed in the chute, a moving cavity is provided in the specific gravity stone remover, the chute is connected to the moving cavity, and a replacement mechanism is installed in the moving cavity; the present application achieves the effect of easily replacing the filter by arranging a replacement mechanism in the specific gravity stone remover, thereby easily replacing the required filter according to the size of the rice.
[0004] In the above prior art, during the use of the impurity removal and stone removal device, due to the influence of the filter screen structure, the filter holes inside the filter screen are easily blocked by small particles of impurities when filtering and screening materials, which will affect the filtration efficiency, and it is inconvenient to collect and process small particles of dust impurities in rice, which will affect the impurity removal effect. Therefore, improvements are needed. Utility Model Content
[0005] The utility model aims to provide a device for removing impurities and stones for rice processing, which solves the problem that filter holes are easily blocked by small particles of impurities and the problem that it is inconvenient to collect and process small particles of dust impurities in rice.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for removing impurities and stones for rice processing, comprising a box body, four evenly distributed support rods are fixedly connected to the bottom of the box body, support pads are fixedly connected to the bottom of the support rods, a feed inlet is fixedly connected to the top of the box body, a discharge port is fixedly connected to the bottom of the box body and located inside the support rods, two symmetrically distributed connecting plates are slidably sleeved inside the box body, a screen is arranged inside the connecting plate, a shaking mechanism is arranged on the connecting plate, and a dust collecting mechanism is arranged on the box body;
[0007] The rocking mechanism comprises a support plate, the left end of the box body is fixedly connected to the support plate, the top of the support plate is fixedly connected to the driving motor, the right end of the output end of the driving motor is fixedly connected to a rotating shaft, the rotating shaft and the box body are rotatably connected through a bearing, the circumferential surface of the rotating shaft is fixedly connected to a pushing block, the inner sliding sleeve of the connecting plate is connected to a guide rod, the outer sides of the guide rod are respectively provided with a first spring and a second spring, one end of the guide rod is fixedly connected to a fixing block, the fixing block is fixedly connected to the inner side wall of the box body, the other end of the guide rod is fixedly connected to a limiting ring, and the ends of the two connecting plates close to each other are fixedly connected to two symmetrically distributed inclined blocks, and the clogging of the screen when screening materials can be prevented by designing the rocking mechanism;
[0008] The dust collecting mechanism includes a collecting box, the left end of the box body is fixedly connected to the collecting box, the interior of the collecting box is fixedly connected to a filter, the bottom of the inner wall of the collecting box is fixedly connected to an air pump, the bottom of the air pump is provided with an exhaust port, the exhaust port is fixedly connected to the collecting box, the right end of the collecting box is fixedly connected to a connecting pipe, the connecting pipe passes through the box body and is fixedly connected to the box body, the right end of the connecting pipe is fixedly connected to a fixed pipe, the right end of the fixed pipe is fixedly connected to a plurality of evenly distributed air inlets, and by designing the dust collecting mechanism, small particles of dust and impurities inside the rice can be collected and processed.
[0009] Preferably, the support pad is annular and made of anti-skid rubber material. By designing the support pad, the overall structure can be supported to prevent skidding.
[0010] Preferably, one end of the first spring is fixedly connected to the fixing block, and the other end of the first spring is fixedly connected to the connecting plate. By designing the first spring, the acting force of the first spring can act on the connecting plate.
[0011] Preferably, one end of the second spring is fixedly connected to the connecting plate, and the other end of the second spring is fixedly connected to the limiting ring. By designing the second spring, the force of the second spring can act on the connecting plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. The utility model can separate rice and stones by designing the function of the screen, that is, can remove impurities from the rice. In the process of removing impurities, when the driving motor drives the rotating shaft and the push block to rotate, the push block rotates to squeeze the inclined block to make the inclined block move in the vertical direction. In combination with the elastic effect of the first spring and the second spring, the screen can be continuously vibrated in the vertical direction when screening stones, which can prevent the screen from being blocked by particles and affecting the efficiency of the screen.
[0014] 2. The utility model is designed with the function of an air pump, which can suck the inside of the collection box to form a negative pressure inside the collection box, and then can suck the inside of the box through the air inlet, so that small particles with smaller mass during the rice screening process will be sucked into the collection box along with the air, and the inside of the rice can be dusted and removed after the rice screening is completed, which is beneficial to the subsequent processing and use of the rice. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0016] Figure 2 For this utility model Figure 1 A three-dimensional diagram of the local structure;
[0017] Figure 3 For this utility model Figure 2 A magnified image of point A;
[0018] Figure 4 For this utility model Figure 2 A three-dimensional cross-sectional view of the collection box structure.
[0019] In the figure: 1. box body; 2. support rod; 3. support pad; 4. feed port; 5. discharge port; 6. connecting plate; 7. screen; 8. shaking mechanism; 9. dust collecting mechanism; 81. support plate; 82. drive motor; 83. rotating shaft; 84. push block; 85. guide rod; 86. first spring; 87. fixed block; 88. second spring; 89. limiting ring; 891. inclined block; 91. collecting box; 92. filter; 93. air pump; 94. exhaust port; 95. connecting pipe; 96. fixed pipe; 97. air inlet. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1 , Figure 2A device for removing impurities and stones for rice processing comprises a box body 1, four evenly distributed support rods 2 are fixedly connected to the bottom of the box body 1, a support pad 3 is fixedly connected to the bottom of the support rod 2, the support pad 3 is annular, and the support pad 3 is made of non-slip rubber. By designing the support pad 3, the overall structure can be supported and non-slip, a feed inlet 4 is fixedly connected to the top of the box body 1, a discharge port 5 is fixedly connected to the bottom of the box body 1 and located on the inner side of the support rod 2, two symmetrically distributed connecting plates 6 are slidably sleeved inside the box body 1, a screen 7 is arranged inside the connecting plate 6, a shaking mechanism 8 is arranged on the connecting plate 6, and a dust collecting mechanism 9 is arranged on the box body 1.
[0022] See also Figure 1 , Figure 2 , Figure 4 The shaking mechanism 8 includes a support plate 81, the left end of the box body 1 is fixedly connected with the support plate 81, the top of the support plate 81 is fixedly connected with a driving motor 82, the right end of the output end of the driving motor 82 is fixedly connected with a rotating shaft 83, the rotating shaft 83 is rotatably connected with the box body 1 through a bearing, the circumferential surface of the rotating shaft 83 is fixedly connected with a push block 84, the inner sliding sleeve of the connecting plate 6 is connected with a guide rod 85, the outer side of the guide rod 85 is respectively provided with a first spring 86 and a second spring 88, one end of the first spring 86 is fixedly connected with the fixing block 87, and the other end of the first spring 86 is fixedly connected with the connecting plate 6. By designing the first spring 86, The force of the first spring 86 can act on the connecting plate 6, one end of the second spring 88 is fixedly connected to the connecting plate 6, and the other end of the second spring 88 is fixedly connected to the limiting ring 89. By designing the second spring 88, the force of the second spring 88 can act on the connecting plate 6, one end of the guide rod 85 is fixedly connected to the fixing block 87, and the fixing block 87 is fixedly connected to the inner wall of the box body 1, and the other end of the guide rod 85 is fixedly connected to the limiting ring 89. The ends of the two connecting plates 6 that are close to each other are fixedly connected with two symmetrically distributed inclined blocks 891. By designing the shaking mechanism 8, the screen 7 can be prevented from being blocked when screening materials.
[0023] See also Figure 1 , Figure 2 , Figure 3 The dust collecting mechanism 9 includes a collecting box 91, the left end of the box body 1 is fixedly connected with the collecting box 91, the interior of the collecting box 91 is fixedly connected with a filter screen 92, the bottom of the inner wall of the collecting box 91 is fixedly connected with an air pump 93, the bottom of the air pump 93 is provided with an exhaust port 94, the exhaust port 94 is fixedly connected to the collecting box 91, the right end of the collecting box 91 is fixedly connected with a connecting pipe 95, the connecting pipe 95 passes through the box body 1 and is fixedly connected to the box body 1, the right end of the connecting pipe 95 is fixedly connected with a fixed pipe 96, and the right end of the fixed pipe 96 is fixedly connected with a plurality of evenly distributed air inlets 97. By designing the dust collecting mechanism 9, small particles of dust and impurities inside the rice can be collected and processed.
[0024] The specific implementation process of the utility model is as follows: when in use, the material to be screened is first added into the box body 1 through the feed port 4, and then the material falls on the screen 7. Through the action of the two screens 7, the rice and the stones can be screened and separated. During the screening process, the output end of the driving motor 82 will drive the rotating shaft 83 to rotate, and the rotating shaft 83 will drive the pushing block 84 to rotate. The pushing block 84 rotates and contacts with the inclined block 891. The pushing block 84 slides along the inclined surface of the inclined block 891 and squeezes the inclined block 891. The inclined block 891 will drive the upper connecting plate 6 to move upward, and at the same time, the other inclined block 891 will drive the lower connecting plate 6 to move downward. The first spring 86 will be compressed, and the second spring 88 will be stretched. When the pushing block 84 rotates and separates from the inclined block 891, the elastic action of the first spring 86 and the second spring 88 is used to realize the continuous vibration of the screen 7 in the vertical direction when screening the stones, which can prevent the screen 7 from being blocked by particles and affecting the efficiency of the screen 7. During the rice screening process, the air pump 93 will simultaneously suck the inside of the collecting box 91, so that a negative pressure is formed inside the collecting box 91, and then the inside of the box body 1 can be sucked through the air inlet 97, so that small particles with smaller mass during the rice screening process will be sucked into the collecting box 91 along with the air, and impurities will fall on the surface of the filter 92, and the air will be discharged through the air pump 93. After the rice screening is completed, the inside of the rice can be dusted and impurities removed, which is beneficial to the subsequent processing and use of the rice.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for removing impurities and stones for rice processing, comprising a housing (1), characterized in that: The bottom of the box (1) is fixedly connected to four evenly distributed support rods (2), the bottom of the support rods (2) is fixedly connected to a support pad (3), the top of the box (1) is fixedly connected to a feed port (4), the bottom of the box (1) and the inner side of the support rods (2) is fixedly connected to a discharge port (5), the interior of the box (1) is slidably sleeved with two symmetrically distributed connecting plates (6), the interior of the connecting plates (6) is provided with a screen (7), the connecting plates (6) are provided with a shaking mechanism (8), and the box (1) is provided with a dust collecting mechanism (9); The shaking mechanism (8) comprises a support plate (81), the left end of the box body (1) is fixedly connected with the support plate (81), the top of the support plate (81) is fixedly connected with a driving motor (82), the right end of the output end of the driving motor (82) is fixedly connected with a rotating shaft (83), the rotating shaft (83) is rotatably connected to the box body (1) through a bearing, the circumferential surface of the rotating shaft (83) is fixedly connected with a pushing block (84), the interior of the connecting plate (6) is slidably sleeved with a guide rod (85), the outer side of the guide rod (85) is respectively provided with a first spring (86) and a second spring (88), one end of the guide rod (85) is fixedly connected with a fixing block (87), the fixing block (87) is fixedly connected to the inner side wall of the box body (1), the other end of the guide rod (85) is fixedly connected with a limiting ring (89), and the ends of the two connecting plates (6) close to each other are fixedly connected with two symmetrically distributed inclined blocks (891); The dust collecting mechanism (9) comprises a collecting box (91), the left end of the box body (1) is fixedly connected to the collecting box (91), the interior of the collecting box (91) is fixedly connected to a filter screen (92), the bottom of the inner wall of the collecting box (91) is fixedly connected to an air pump (93), the bottom of the air pump (93) is provided with an exhaust port (94), the exhaust port (94) is fixedly connected to the collecting box (91), the right end of the collecting box (91) is fixedly connected to a connecting pipe (95), the connecting pipe (95) passes through the box body (1) and is fixedly connected to the box body (1), the right end of the connecting pipe (95) is fixedly connected to a fixing pipe (96), and the right end of the fixing pipe (96) is fixedly connected to a plurality of evenly distributed air inlets (97).
2. The impurity and stone removal device for rice processing according to claim 1, characterized in that: The support pad (3) is annular and is made of anti-slip rubber material.
3. The impurity and stone removal device for rice processing according to claim 1, characterized in that: One end of the first spring (86) is fixedly connected to the fixing block (87), and the other end of the first spring (86) is fixedly connected to the connecting plate (6).
4. The impurity and stone removal device for rice processing according to claim 1, characterized in that: One end of the second spring (88) is fixedly connected to the connecting plate (6), and the other end of the second spring (88) is fixedly connected to the limiting ring (89).
Citation Information
Patent Citations
Impurity and stone removing device for rice processing
CN219850580U