Impurity and stone removing device for rice processing
By designing a combined motion of the screening cylinder and screening plate, along with a brush cleaning device, the problem of high cost of existing equipment is solved, achieving efficient removal of impurities such as stones from rice and ensuring rice quality and safety.
Patent Information
- Application Number
- CN202422973937.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing rice processing equipment is expensive, has low cost-effectiveness, and is difficult to effectively remove impurities such as stones, affecting the quality and safety of rice.
A device for removing impurities and stones, comprising a screening cylinder, a rotating shaft, a driven gear, a driving gear, a drive motor, a screening plate, and brush bristles, is designed. The device achieves efficient screening through the reciprocating motion of the screening cylinder and the shaking screening of the screening plate, combined with the cleaning of the screen holes by the brush bristles.
It achieves efficient screening, avoids sieve clogging, ensures the cleanliness and safety of rice, and reduces equipment costs.
Smart Images
Figure CN223915959U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rice processing related device technical field especially relates to a rice processing is used to remove the impurity and stone device. BACKGROUND
[0002] Rice will mix various impurities such as stone, clay, rice hull during harvesting and processing. These impurities not only affect the appearance and taste of rice, but also may pose potential health risks. By removing impurities, these impurities can be effectively removed to ensure the cleanliness and safety of rice.
[0003] Modern rice processing equipment uses a variety of impurity removal techniques, such as screening, air separation and specific gravity separation. These techniques can efficiently remove various impurities in rice to ensure the purity and quality of rice. For small-scale manufacturers, the above equipment has high cost and low cost performance, so a rice impurity removal device with good screening effect and low cost is needed. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a rice processing is used to remove the impurity and stone device, has the effect that screening effect is good, screening efficiency is high.
[0005] The above technical purpose of the utility model is realized by the following technical scheme: a support frame is provided, characterized in that: a screening mechanism one is arranged on the upper end of the support frame, the screening mechanism one comprises a screening cylinder, a sieve hole one is arranged on the screening cylinder, the screening cylinder is sleeved and slidingly connected to the outside of a rotating shaft, a driven gear is coaxially fixed on the end portion of the rotating shaft, the driven gear is externally meshed with a driving gear, and the driving gear is coaxially fixedly connected with the output shaft of a driving motor.
[0006] The utility model further provides that: a support rod is arranged to penetrate the rotating shaft, the support rod is arranged to penetrate the rotating shaft, the support rod is fixed on the support column at both ends, a bevel gear one is fixed on the support column in the screening cylinder, a short rod is fixed perpendicularly on the outer side of the rotating shaft in the screening cylinder, a bevel gear two is rotatably connected to the end portion of the short rod, the bevel gear two is externally meshed with the bevel gear one, and the circumferential end face of the bevel gear two close to the inner wall of the screening cylinder is fixed perpendicularly with a plug rod, and the plug rod is clamped in the inner recessed annular sliding groove in the screening cylinder.
[0007] The utility model further provides that: a connecting rod one is fixed perpendicularly on the support rod in the screening cylinder, a brush is arranged on the end portion of the connecting rod one, and the brush is attached to the inner wall of the screening cylinder.
[0008] The utility model discloses further provide: still be provided with screening mechanism no. 2 in the support frame below the screening cylinder, screening mechanism no. 2 includes screening plate, be provided with screen hole no. 2 on the screening plate, the opposite both ends of the screening plate are connected with the elastic plate respectively, the other end of the elastic plate is connected on the support plate opposite both sides the support plate, the support plate is fixed on the side plate of support frame, the one side end of screening plate is fixed with connecting rod no. 2, the long lever is hinged to the end of connecting rod no. 2, the other end of long lever is hinged to the end of drive rod, the other end of drive rod is coaxially fixed connection with the output shaft of screening motor.
[0009] The utility model discloses further provide: the inner diameter of screen hole no. 2 on the screening plate is less than the inner diameter of screen hole no. 1.
[0010] The utility model discloses further provide: the outer side of screening cylinder is provided with the feed inlet, the arc connecting piece is hinged to one side of feed inlet, be provided with the round hole on the connecting piece, the vertical fixed screw rod on the screening cylinder of feed inlet side edge, the round hole on the connecting piece can be set on the screw rod, be connected with the nut on the screw rod.
[0011] The utility model discloses further provide: the support plate and screening plate are all inclined settings, and the inclination direction of two is opposite.
[0012] The utility model discloses further provide: the one side of screening plate is hinged with the baffle close to the support plate, and the connecting rod no. 3 of vertical protruding of baffle bottom is connected with the end of piston rod of cylinder no. 1.
[0013] The utility model discloses further provide: the side of baffle is provided with the receiving barrel.
[0014] The utility model discloses further provide: the rotation axis in screening cylinder is provided with the limiting strip pole parallel to the axis outside protruding.
[0015] The utility model discloses further provide: the rotation axis in screening cylinder is provided with the limiting strip pole parallel to the axis outside protruding.
[0016] 1, first need screening rice through the feed inlet pours into screening cylinder, subsequently starts screening motor, driving gear rotates, drives driven gear to rotate, driven gear rotates, drives rotation axis to rotate, and the vertical short rod on rotation axis drives bevel gear no. 2 to rotate, and the end face of bevel gear no. 2 circumference is vertically fixed with the plug rod, because when bevel gear no. 2 and bevel gear no. 1 meshing rotation, the plug rod drives screening cylinder reciprocating motion, and because the protruding limiting strip pole is arranged on the outer surface of rotation axis, so finally drive screening cylinder realizes rotation while reciprocating motion, this can be back and forth reciprocating screening to the material in screening cylinder, completes the first step screening.
[0017] 2. The material enters the screening plate through the first screen hole on the screening cylinder. Under the rotation of the screening motor, the drive rod rotates, causing the long rod to move back and forth. Since there is an elastic plate connected to the screening plate, the screening plate will shake and screen. The material falls from the second screen hole into the support plate for further screening.
[0018] 3. By setting a baffle on one side of the screening plate, impurities that have not yet been screened are prevented from being sent into the receiving bucket, thus affecting the screening quality.
[0019] 4. By setting a connecting rod and brush bristles on the support rod, the brush bristles can contact different inner walls of the screening cylinder when the screening cylinder rotates back and forth, avoiding clogging of the screen holes and improving screening efficiency.
[0020] 5. The connecting plate uses a nut and bolt connection method, which is simple and easy to operate. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Fig. 1 This is a schematic diagram of the structure of this utility model.
[0023] Fig. 2 This is a schematic diagram of the connection structure between the screening cylinder and the screening plate in this utility model.
[0024] Fig. 3 This is a cross-sectional structural diagram of the screening cylinder in this utility model.
[0025] In the diagram: 1. Support frame; 2. Screening cylinder; 3. Screen hole one; 4. Rotating shaft; 5. Driven gear; 6. Driving gear; 7. Drive motor; 8. Support rod; 9. Support column; 10. Bevel gear one; 11. Bevel gear two; 12. Receiving bucket; 13. Annular chute; 14. Connecting rod one; 15. Brush bristles; 16. Screening plate; 17. Screen hole two; 18. Elastic plate; 19. Connecting rod two; 20. Long rod; 21. Drive rod; 22. Screening motor; 23. Connecting piece; 24. Screw; 25. Nut; 26. Support plate; 27. Baffle; 28. Cylinder one. Detailed Implementation
[0026] The technical solutions of the utility model will be clearly and completely described below in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of 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.
[0027] The utility model discloses a rice processing is with the impurity and stone device, such as Figs. 1-3 As shown, including support frame 1, support frame 1 upper end is provided with screening mechanism one, screening mechanism one includes screening cylinder 2, is provided with sieve hole one 3 on screening cylinder 2, screening cylinder 2 is sleeved and is slidably connected to the outer of rotating shaft 4, the end coaxially fixed with driven gear 5 of rotating shaft 4, driven gear 5 and driving gear 6 outer meshing, driving gear 6 and the output shaft coaxially fixed connection of driving motor 7, rotating shaft 4 is passed through and is provided with support rod 8, rotating shaft 4 is passed through and is provided with support rod 8, and support rod 8 both ends are fixed on support column 9 respectively, be fixed on the support column 9 in screening cylinder 2 and have bevel gear one 10, the outer lateral surface of rotating shaft 4 in screening cylinder 2 is fixed with short pole perpendicularly, and short pole end rotationally connected has bevel gear two 11, bevel gear two 11 and bevel gear one 10 outer meshing, the circumferential end surface of bevel gear two 11 close to the inner wall of screening cylinder 2 is fixed with the plug rod perpendicularly, and the plug rod is connected in the inner recess annular sliding slot 13 in screening cylinder 2, and the protruding of rotating shaft 4 in screening cylinder 2 is provided with the limiting strip pole parallel to the axis, first the rice that needs screening is poured into screening cylinder 2 through the feed inlet, then starts screening motor 22, driving gear 6 rotates, drives driven gear 5 to rotate, when driven gear 5 rotates, rotating shaft 4 is driven to rotate, and the vertical short pole on rotating shaft 4 drives bevel gear two 11 to rotate, and the plug rod is fixed on the circumferential end surface of bevel gear two 11 perpendicularly, because when bevel gear two 11 and bevel gear one 10 outer meshing rotate, the plug rod drives screening cylinder 2 to reciprocate left and right, and because the protruding limiting strip pole is set up on the outer surface of rotating shaft 4, so finally drive screening cylinder 2 to realize rotation while reciprocating left and right, which can reciprocate screening to the material in screening cylinder 2, and complete the first step screening.
[0028] Further, bevel gear two 11 and bevel gear one 10 outer meshing, the plug rod drives screening cylinder 2 to reciprocate left and right, and because the protruding limiting strip pole is set up on the outer surface of rotating shaft 4, so finally drive screening cylinder 2 to realize rotation while reciprocating left and right, which can reciprocate screening to the material in screening cylinder 2, and complete the first step screening.
[0029] Further, the screening mechanism two includes a screening plate 16, which is arranged in the support frame 1 below the screening cylinder 2 and is provided with a screening mechanism two. The screening plate 16 is provided with a second screen hole 17. The two ends of the opposite sides of the screening plate 16 are respectively connected with elastic plates 18. The other ends of the elastic plates 18 are connected with the supporting plates 26 on the opposite sides of the support frame 1. The supporting plates 26 are fixed on the side plates of the support frame 1. The one side end of the screening plate 16 is fixed with a connecting rod two 19. The end of the connecting rod two 19 is hingedly connected with a long rod 20. The other end of the long rod 20 is hingedly connected with the end of a driving rod 21. The other end of the driving rod 21 is coaxially and fixedly connected with the output shaft of a screening motor 22. The inner diameter of the second screen hole 17 on the screening plate 16 is smaller than that of the first screen hole 3. The materials from the first screen hole 3 on the screening cylinder 2 fall into the second screen hole 17 on the screening plate 16. Under the rotation of the screening motor 22, the driving rod 21 rotates to drive the long rod 20 to move back and forth. Since the elastic plates 18 are connected with the screening plate 16, the screening plate 16 will shake to screen the materials. The materials from the second screen hole 17 on the screening plate 16 fall into the supporting plate 26 to realize further screening.
[0030] Further, the outer side of the screening cylinder 2 is provided with an inlet. The inlet is hingedly connected with an arc-shaped connecting piece 23. The connecting piece 23 is provided with a circular hole. The screening cylinder 2 on the side of the inlet is vertically fixed with a screw rod 24. The circular hole on the connecting piece 23 can be sleeved on the outer side of the screw rod 24. The screw rod 24 is threadedly connected with a nut 25. The connecting piece 23 is connected with the nut 25 and the bolt. The operation is simple.
[0031] Further, the supporting plate 26 and the screening plate 16 are both arranged in an inclined manner. The inclined directions of the two are opposite. The impurities and the materials have different discharging directions.
[0032] Further, the side of the screening plate 16 close to the supporting plate 26 is hingedly connected with a baffle 27. The end of the piston rod of a cylinder one 28 is connected with a connecting rod three vertically protruding from the bottom of the baffle 27. By arranging the baffle 27 on the side of the screening plate 16, the un-screened impurities are prevented from being sent into the receiving barrel 12 to affect the screening quality.
[0033] Further, the side of the baffle 27 is provided with the receiving barrel 12.
[0034] The working principle of the impurity and stone removing device for rice processing:
[0035] Firstly, the rice to be screened is poured into the screening cylinder 2 through the feeding port, then the screening motor 22 is started, the driving gear 6 rotates, driving the driven gear 5 to rotate, the driven gear 5 rotates, driving the rotating shaft 4 to rotate, the vertical short rod on the rotating shaft 4 drives the bevel gear two 11 to rotate, and the insertion rod is vertically fixed on the circumferential end surface of the bevel gear two 11, because when the bevel gear two 11 and the bevel gear one 10 are externally engaged and rotate, the insertion rod drives the screening cylinder 2 to reciprocate left and right, and because the protruding limiting strip rod is arranged on the outer surface of the rotating shaft 4, the screening cylinder 2 ultimately rotates while reciprocating left and right, so that the material in the screening cylinder 2 can be screened back and forth, completing the first step of screening.
[0036] The material from the screen hole one 3 on the screening cylinder 2 falls onto the screening plate 16, under the rotation of the screening motor 22, the driving rod 21 rotates, driving the long rod 20 to move back and forth, and because the elastic plate 18 is connected to the screening plate 16, the screening plate 16 will shake to screen, the material from the screen hole two 17 on the screening plate 16 falls onto the support plate 26, achieving further screening.
Claims
1. A device for removing impurities and stones in rice processing, comprising a support frame (1), characterized in that: The upper end of the support frame (1) is provided with a screening mechanism, which includes a screening cylinder (2) and a sieve hole (3) on the screening cylinder (2). The screening cylinder (2) is slidably connected to the outside of the rotating shaft (4). A driven gear (5) is coaxially fixed at the end of the rotating shaft (4). The driven gear (5) meshes externally with the driving gear (6). The driving gear (6) is coaxially fixedly connected to the output shaft of the drive motor (7). A support rod (8) is provided through the rotating shaft (4). The two sides of the support rod (8) The ends are respectively fixed on the support column (9). A bevel gear one (10) is fixed on the support column (9) located inside the screening cylinder (2). A short rod is vertically fixed on the outer side of the rotating shaft (4) located inside the screening cylinder (2). A bevel gear two (11) is rotatably connected to the end of the short rod. The bevel gear two (11) meshes with the bevel gear one (10). A plug is vertically fixed on the circumferential end face of the bevel gear two (11) near the inner wall of the screening cylinder (2). The plug is inserted into the concave annular groove (13) inside the screening cylinder (2).
2. The rice processing impurity and stone removal device according to claim 1, characterized in that: A connecting rod (14) is vertically fixed on the support rod (8) located inside the screening cylinder (2). The end of the connecting rod (14) is provided with bristles (15), which are attached to the inner wall of the screening cylinder (2).
3. The rice processing impurity removal and stone removal device according to claim 2, characterized in that: A second screening mechanism is also provided in the support frame (1) located below the screening cylinder (2). The second screening mechanism includes a screening plate (16), on which a second screening hole (17) is provided. An elastic plate (18) is connected to each of the two opposite ends of the screening plate (16). The other end of the elastic plate (18) is connected to the support plate on the opposite sides of the support plate (26). The support plate is fixed to the side plate of the support frame (1). A second connecting rod (19) is fixed to one side end of the screening plate (16). A long rod (20) is hinged to the end of the second connecting rod (19). The other end of the long rod (20) is hinged to the end of the drive rod (21). The other end of the drive rod (21) is coaxially fixedly connected to the output shaft of the screening motor (22).
4. The rice processing impurity removal and stone removal device according to claim 3, characterized in that: The inner diameter of the second sieve hole (17) on the screening plate (16) is smaller than the inner diameter of the first sieve hole (3).
5. The rice processing impurity and stone removal device according to claim 4, characterized in that: The screening cylinder (2) has a feed inlet on its outer side. An arc-shaped connecting piece (23) is hinged to one side of the feed inlet. A round hole is provided on the connecting piece (23). A screw (24) is vertically fixed on the screening cylinder (2) on the side of the feed inlet. The round hole on the connecting piece (23) can be fitted onto the screw (24). A nut (25) is threaded onto the screw (24).
6. The rice processing impurity and stone removal device according to claim 5, characterized in that: Both the support plate (26) and the screening plate (16) are inclined, and their inclination directions are opposite.
7. The rice processing impurity and stone removal device according to claim 6, characterized in that: The screening plate (16) is hinged to a baffle (27) on the side near the support plate (26), and the connecting rod three protruding vertically from the bottom of the baffle (27) is connected to the end of the piston rod of the cylinder (28).
8. The rice processing impurity and stone removal device according to claim 7, characterized in that: A receiving bucket (12) is provided on the side of the baffle (27).
9. The rice processing impurity and stone removal device according to claim 8, characterized in that: The rotating shaft (4) located inside the screening cylinder (2) has a limiting bar protruding outwards and parallel to the axis.