Corn starch raw material impurity removing device

Abstract

The present application relates to the technical field of corn processing, and particularly relates to a corn starch rough processing raw material impurity removal device, which comprises a plurality of roller bodies, each of which is provided with a spiral rib on an outer wall, the plurality of roller bodies are distributed in a circular partial sector area on a horizontal plane, a remaining part of the circle is an idle area, an axis of the roller body is perpendicular to an axis of the circle, a distance of a gap between two adjacent roller bodies is equal and the gap is used for separating small particle impurities; through the circumferential motion and the rotation motion of the plurality of roller bodies, small particle impurities can be conveniently and smoothly dropped through the gap between the two adjacent roller bodies, the material is pushed out from an end of the roller body through the rotation of the spiral rib, the circumferential motion of the plurality of roller bodies carries the large volume impurities to move synchronously and is discharged through the idle area, so that the simultaneous separation of various impurities in the material is realized, and the impurity removal efficiency is greatly improved.

Description

Technical Field

[0001] This invention relates to the technical field of corn processing, and in particular to a device for removing impurities from corn starch raw materials. Background Technology

[0002] Corn starch, as an important industrial raw material, is widely used in the food, pharmaceutical, chemical and textile industries. In the initial processing of corn starch, the removal of impurities from the raw materials is a key step that affects product quality and production efficiency. During the harvesting, transportation and storage stages, corn raw materials are easily mixed with various impurities such as stones and corn leaves. If these impurities are not effectively removed, they will not only reduce the purity and quality of the starch, but also lead to increased wear and tear on subsequent processing equipment, and even cause malfunctions, affecting the stable operation of the production line.

[0003] Traditional impurity removal methods involve directly screening materials using vibrating screens. However, due to the variety of impurities, the materials need to be screened through multiple vibrating screens of different specifications. This process is lengthy, inefficient, and cannot simultaneously separate and remove multiple impurities. Furthermore, it requires significant investment in equipment. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention provides a device for removing impurities from corn starch raw materials in the preliminary processing stage, the specific technical solution of which is as follows: The present invention provides a corn starch coarse processing raw material impurity removal device, comprising a plurality of rollers, each roller having a spiral ridge on its outer wall, the plurality of rollers being distributed in a circular partial fan-shaped area on a horizontal plane, the remaining part of the circle being an empty area, the axis of the rollers being perpendicular to the axis of the circle, the distance between the gaps between two adjacent rollers being equal, and the gaps being used to separate small particulate impurities. Several rollers move in a circular motion and pass through an empty area in sequence, where there is at most one roller.

[0005] Furthermore, the impurity removal device also includes a material guiding structure, which includes a bottom barrel, a core tube, and a collection box located below the plurality of rollers. The core tube is located in the middle of the bottom barrel and penetrates the bottom barrel. The bottom of the bottom barrel and the bottom of the collection box are both inclined, and their inclination directions are opposite. The collection box is located at the highest point of the bottom of the bottom barrel and penetrates the bottom barrel. The bottom barrel corresponds to the area where the plurality of rollers are located. The core tube corresponds to the end of the plurality of rollers facing the circular axis. The collection box corresponds to the empty area. Discharge pipes are provided at the lowest point of both the bottom bucket and the lowest point of the collection box.

[0006] Furthermore, each of the rollers is provided with a bracket, which is located at the bottom of the roller and is used to support the roller. Two sliding bodies are provided at the bottom of the bracket. The top of the bottom barrel and the top of the core tube are provided with an outer edge. The two outer edges and the corresponding bottom barrel and core tube respectively form two annular grooves. The two sliding bodies are slidably installed in the two annular grooves respectively.

[0007] Furthermore, the opening of the annular groove faces downward, the outer edge is inclined, and the shape of each sliding body is a U-shape with the opening facing upward. One end of the U-shape is fixedly connected to the bracket, and the other end of the U-shape is slidably installed in the annular groove. The middle part of the U-shape is set as a conical surface.

[0008] Furthermore, each of the rollers is provided with a gear at the end away from the circle, and a toothed ring is fitted on the outer wall of the bottom barrel, with the gear meshing with the toothed ring; A power unit for moving each of the rollers is provided on the bottom barrel.

[0009] Furthermore, a side push plate is vertically slidably provided on the side wall of the bottom barrel. The side push plate corresponds to the empty area. The side push plate and the bottom barrel are connected by several springs. One side of the top of the side push plate is set as a pressure slope surface, and the other side is set as a push slope surface. The projection length of the pressure slope surface on the horizontal plane is equal to the distance between two adjacent gears. Each gear is coaxially provided with a sliding column, which is used in conjunction with the side push plate and the spring.

[0010] Furthermore, a rubber body is provided on the side wall of the bracket.

[0011] Furthermore, the impurity removal device also includes an outer cover coaxially arranged and relatively fixed with the bottom barrel. A feeding channel is connected to the side wall of the outer cover. A baffle corresponding to the feeding channel is provided inside the outer cover. The baffle includes a side baffle and a front baffle. The side baffle is used to prevent material from scattering into the empty area, and the front baffle is used to prevent material discharged from the feeding channel from falling into the core tube.

[0012] The beneficial effects of this invention are as follows: By causing several rollers to rotate and move in a circular motion, small particles of impurities can easily fall through the gaps between adjacent rollers. The material is pushed out from the ends of the rollers by the rotation of the spiral ridges. The circular motion of several rollers carries large-volume impurities synchronously and they are discharged through the empty area. This achieves the simultaneous separation of multiple impurities in the material, greatly improving the impurity removal efficiency. By using the empty area and the way that several rollers pass through the empty area one by one, the shape of the fan-shaped carrying area formed by several rollers can be kept fixed. In addition, the rollers in the empty area are separated from each other, which makes it easy for impurities on the rollers to fall off naturally. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the exploded structure of the present invention; Figure 3 This is a schematic diagram of the arrangement of several rollers in an embodiment of the present invention; Figure 4 This is a schematic diagram of the roller structure in an embodiment of the present invention; Figure 5 This is a top view of the bottom bucket structure in an embodiment of the present invention; Figure 6 yes Figure 5 A structural diagram from another perspective; Figure 7 This is a cross-sectional view of the bottom bucket in an embodiment of the present invention; Figure 8 This is a schematic diagram of the outer cover structure in an embodiment of the present invention.

[0015] Figure label: 1. Roller body; 2. Spiral rib; 3. Idle area; 4. Bottom drum; 5. Core tube; 6. Collection box; 7. Discharge pipe; 8. Bracket; 9. Sliding body; 10. Annular chute; 11. Gear; 12. Gear ring; 13. Side push plate; 14. Spring; 15. Pressing slope; 16. Pushing slope; 17. Sliding column; 18. Rubber body; 19. Outer cover; 20. Feed channel; 21. Side baffle; 22. Front baffle; 23. Main motor; 24. Drive wheel. Detailed Implementation

[0016] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0017] In the description of this invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0018] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. This embodiment is written in a progressive manner.

[0019] like Figures 1 to 8 As shown, a corn starch coarse processing raw material impurity removal device of the present invention includes several rollers 1, each roller 1 having a spiral ridge 2 on its outer wall. The several rollers 1 are distributed in a circular partial fan-shaped area on a horizontal plane, and the remaining part of the circle is an empty area 3. The axis of the roller 1 is perpendicular to the axis of the circle. The distance between the gaps between two adjacent rollers 1 is equal and the gaps are used to separate small particle impurities. The several rollers 1 move in a circular motion and pass through the empty area 3 in sequence. There is at most one roller 1 in the empty area 3.

[0020] In this invention, a circle on a horizontal plane serves as a base circle. Most of the area of ​​the base circle is used to arrange several rollers 1, i.e., the rollers 1 are distributed in a fan shape, with equal distances between adjacent rollers 1. A small portion of the base circle is an empty area 3. When a roller 1 moves circumferentially to one side of the empty area 3, the roller 1 quickly passes through the empty area 3 and moves from one side of the area where the rollers 1 are located to the other side. At this time, the rollers 1 in the empty area 3 separate from the other rollers 1, and the impurities on the rollers 1 in the empty area 3 can fall naturally and detach from the rollers 1. When the roller 1 moves circumferentially and rotates, the roller 1 will transport the impurities that cannot be separated through the gap between adjacent rollers 1 along the circumferential direction of the base circle, so that the impurities are transported from the area where the rollers 1 are located to the empty area 3.

[0021] In use, several rollers 1 perform circular and rotational motions, forming a fan-shaped surface capable of carrying materials. When a roller 1 moves to the empty area 3, it quickly passes through the empty area 3, moving from one side to the other, thus ensuring that the fan-shaped surface remains unchanged. The rollers 1 pass through the empty area 3 one by one, conveying materials to one side of the fan-shaped surface. Because the rollers 1 perform circular motion, they can carry materials synchronously, causing the material to scatter on each roller 1 instead of accumulating in a specific area of ​​the fan-shaped surface. Small particles in the material can fall through the gap between adjacent rollers 1, and because the rollers 1 rotate in the same direction, the material can fall through the gap on both sides. The two rollers 1 move in opposite directions, which avoids both rollers 1 moving downwards and crushing the material, and also avoids the two rollers 1 in the adjacent gap moving downwards when both rollers 1 move upwards. The rotating rollers 1 help disperse the material and prevent it from accumulating on the rollers 1. Since the rollers 1 and their spiral ribs 2 rotate, the material can be easily concentrated in the gap between the two adjacent rollers 1. The spiral ribs 2 can push the material that cannot pass through the gap towards the base circle axis and fall off the rollers 1. That is, this part of the material moves along the axis of the rollers 1. Since several rollers 1 move in a circular motion in sync, it is convenient to transport larger impurities in a circular motion, so that the impurities move from the feeding position to the empty area 3 and fall naturally, thereby achieving three separation and impurity removal effects.

[0022] By causing several rollers 1 to perform circular and rotational motions, small particulate impurities can easily pass through the gaps between adjacent rollers 1 and fall off. The material is pushed out from the end of the roller 1 by the rotation of the spiral ridge 2. The circular motion of several rollers 1 carries large volume impurities synchronously and is discharged through the empty area 3. This achieves the simultaneous separation of multiple impurities in the material, greatly improving the impurity removal efficiency. By using the empty area 3 and the way that several rollers 1 pass through the empty area 3 one by one, the shape of the fan-shaped carrying area formed by several rollers 1 can be kept fixed. In addition, the rollers 1 in the empty area 3 are separated from other rollers 1, which facilitates the natural falling of impurities on the rollers 1.

[0023] Furthermore, the impurity removal device also includes a material guiding structure, which includes a bottom barrel 4, a core tube 5, and a collection box 6 located below several rollers 1. The core tube 5 is located in the middle of the bottom barrel 4 and penetrates the bottom barrel 4. The bottom of the bottom barrel 4 and the bottom of the collection box 6 are both inclined, and their inclination directions are opposite. The collection box 6 is located at the highest point of the bottom of the bottom barrel 4 and penetrates the bottom barrel 4. The bottom barrel 4 corresponds to the area where several rollers 1 are located, the core tube 5 corresponds to the end of several rollers 1 facing the circular axis, and the collection box 6 corresponds to the empty area 3. A discharge pipe 7 is provided at the lowest point of the bottom barrel 4 and the lowest point of the collection box 6.

[0024] Both the core tube 5 and the collection box 6 are located inside the bottom barrel 4. Since the spiral ribs 2 can push the material intercepted on adjacent rollers 1 towards the end of the roller 1, the core tube 5 can correspond to that end of several rollers 1. This facilitates the individual collection of separated material. Furthermore, since the rollers 1 are arranged in a fan shape, the shape of that end of the rollers 1 corresponds to the shape of the core tube 5. The bottom barrel 4 is located below the fan-shaped area where the rollers 1 are located. Small particles of impurities falling through the gaps between adjacent rollers 1 will fall into the bottom barrel 4. Because the bottom of the bottom barrel 4 is inclined, this part... Impurities can naturally roll down towards the lowest point of the bottom drum 4 and be discharged through the discharge pipe 7 on the bottom drum 4. Larger impurities will be transported to the empty area 3 and fall naturally. These impurities will fall into the collection box 6. Since the bottom of the collection box 6 is inclined, the impurities will naturally be discharged through the discharge pipe 7 on the collection box 6, thereby realizing the separate sorting and guidance of different impurities. The setting of the bottom inclination direction of the bottom drum 4 and the bottom inclination direction of the collection box 6 can facilitate the transport of different impurities in different directions and avoid the collection box 6 interfering with the aggregation and movement path of impurities in the bottom drum 4.

[0025] In practical use, to facilitate the discharge of impurities, discharge ports can be directly opened on the side walls of the bottom bucket 4 and the collection box 6, or the diameter of the discharge pipe 7 can be increased to prevent affecting the discharge of impurities.

[0026] Furthermore, each roller body 1 is provided with a bracket 8, which is located at the bottom of the roller body 1 and is used to support the roller body 1. Two sliding bodies 9 are provided at the bottom of the bracket 8. The top of the bottom barrel 4 and the top of the core tube 5 are provided with an outer edge. The two outer edges form two annular grooves 10 with the corresponding bottom barrel 4 and core tube 5, respectively. The two sliding bodies 9 are slidably installed in the two annular grooves 10.

[0027] The bracket 8 can support the roller 1, and the two ends of the roller 1 are respectively rotatably installed on the left and right sides of the bracket 8. The bracket 8 is located below the roller 1, so that impurities falling through the gap between two adjacent rollers 1 will not fall onto the bracket 8. The two annular grooves 10 formed by the outer edge of the bottom bucket 4 and the collection box 6 can be used in conjunction with the two sliding bodies 9 at the bottom of the bracket 8, so as to support the roller 1 and ensure the stable operation of the roller 1.

[0028] Furthermore, the opening of the annular groove 10 faces downward and the outer edge is inclined. Each sliding body 9 is U-shaped with its opening facing upward. One end of the U-shape is fixedly connected to the bracket 8, and the other end of the U-shape is slidably installed in the annular groove 10. The middle part of the U-shape is set as a conical surface.

[0029] By specially designing the annular chute 10, its outer edge, and the sliding body 9, small particles of impurities can be prevented from falling onto the bottom barrel 4 and the core tube 5, thus facilitating the collection of impurities. At the same time, it ensures that the sliding body 9 can move smoothly within the annular chute 10, preventing impurities from clogging the annular chute 10.

[0030] Furthermore, each roller 1 is provided with a gear 11 at the end away from the circle, and a toothed ring 12 is fitted on the outer wall of the bottom barrel 4, with the gear 11 meshing with the toothed ring 12; a power unit for pushing each roller 1 to move is provided on the bottom barrel 4.

[0031] The power unit can drive the roller 1 to perform circular motion. Since the gear 11 is meshed with the gear ring 12, the gear 11 can roll on the gear ring 12. At this time, the roller 1 performs both circular motion and rotational motion, thereby simplifying the operation.

[0032] Furthermore, a side push plate 13 is vertically slidably installed on the side wall of the bottom barrel 4. The side push plate 13 corresponds to the empty area 3. The side push plate 13 and the bottom barrel 4 are connected by several springs 14. One side of the top of the side push plate 13 is set as a pressure slope surface 15, and the other side is set as a push slope surface 16. The projection length of the pressure slope surface 15 on the horizontal plane is equal to the distance between two adjacent gears 11. Each gear 11 is coaxially provided with a sliding column 17, which works in conjunction with the side push plate 13 and the springs 14.

[0033] The side push plate 13 corresponds to the empty area 3 in the circular coverage area. When the roller 1 moves in a circle, it will drive the sliding column 17 to move synchronously. When the sliding column 17 moves to the position of the pressure slope 15, the sliding column 17 will push the side push plate 13 downward through the pressure slope 15. The spring 14 will undergo elastic deformation. When the sliding column 17 passes the highest point of the pressure slope 15 and moves to the push slope 16, due to the action of the spring 14, the push slope 16 will assist in pushing the sliding column 17 to move, so that the roller 1 moves from one side to the other side of the area where several rollers 1 are located, realizing the smooth transition of the roller 1 in the empty area 3.

[0034] In some embodiments, the power unit can provide power to the roller 1 via the slide column 17. That is, the power unit includes a main motor 23 fixed relative to the bottom barrel 4. The output end of the main motor 23 is provided with a power wheel 24. The power wheel 24 is provided with a plurality of teeth. The teeth cooperate with the slide column 17. When the main motor 23 is running, it will push the corresponding slide column 17 to move through the power wheel 24 and the teeth. The slide column 17 drives the roller 1 on it to move. The roller 1 pushes the adjacent roller 1 to move synchronously, thereby causing the plurality of rollers 1 to perform circumferential motion.

[0035] Furthermore, a rubber body 18 is provided on the side wall of the bracket 8; when several rollers 1 perform circular motion, the distance between two adjacent rollers 1 is constant, and several rollers 1 need to maintain a state of mutual compression in order to make several rollers 1 move synchronously. At this time, the rubber body 18 can be used to limit the two adjacent rollers 1, and the roller 1 pushes the adjacent roller 1 to move through the rubber body 18; when the push slope 16 pushes the slide column 17 to move, the roller 1 will have a certain speed. At this time, once the roller 1 leaves the empty area 3 and comes into contact with the adjacent roller 1, they will collide. In order to avoid damage to the roller 1 from the impact, the rubber body 18 can be used for buffering.

[0036] Furthermore, the impurity removal device also includes an outer cover 19 that is coaxially arranged with and relatively fixed to the bottom barrel 4. A feeding channel 20 is connected to the side wall of the outer cover 19. A baffle corresponding to the feeding channel 20 is provided inside the outer cover 19. The baffle includes a side baffle 21 and a front baffle 22. The side baffle 21 is used to prevent material from falling into the empty area 3, and the front baffle 22 is used to prevent the material discharged from the feeding channel 20 from falling into the core tube 5.

[0037] The outer cover 19 is fixed relative to the bottom barrel 4. The outer cover 19 can surround a number of rollers 1. When the material is introduced into the rollers 1 inside the outer cover 19 through the feeding channel 20, the side baffle 21 and the front baffle 22 can block the material to prevent the material initially entering the outer cover 19 from sliding directly into the core tube 5 along the axis of the roller 1 or sliding into the collection box 6 in the opposite direction of the circumferential movement of the roller 1.

[0038] The above are merely preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A device for removing impurities from corn starch raw materials during coarse processing, characterized in that, It includes several rollers, each roller having a spiral ridge on its outer wall. The rollers are distributed in a circular partial fan-shaped area on a horizontal plane, with the remaining part of the circle being an empty area. The axis of the roller is perpendicular to the axis of the circle, and the distance between the gaps between two adjacent rollers is equal, with the gaps used to separate small particulate impurities. The rollers move in a circular motion and pass through an empty area in sequence, wherein there is at most one roller in the empty area; The impurity removal device also includes a material guiding structure, which includes a bottom barrel, a core tube, and a collection box located below the plurality of rollers; Each of the rollers is provided with a gear at the end away from the circle, and a toothed ring is fitted on the outer wall of the bottom barrel, with the gear meshing with the toothed ring; A power unit for driving each of the rollers to move is provided on the bottom barrel; A side push plate is vertically slidably arranged on the side wall of the bottom barrel. The side push plate corresponds to the empty area. The side push plate and the bottom barrel are connected by several springs. One side of the top of the side push plate is set as a pressure slope surface and the other side is set as a push slope surface. The projection length of the pressure slope surface on the horizontal plane is equal to the distance between two adjacent gears. Each gear is coaxially provided with a sliding column, which is used in conjunction with the side push plate and the spring.

2. The corn starch coarse processing raw material impurity removal device according to claim 1, characterized in that, The core tube is located in the middle of the bottom barrel and passes through the bottom barrel. The bottom of the bottom barrel and the bottom of the collection box are both inclined, and their inclination directions are opposite. The collection box is located at the highest point of the bottom of the bottom barrel and passes through the bottom barrel. The bottom barrel corresponds to the area where several rollers are located. The core tube corresponds to one end of several rollers facing the axis of the circle. The collection box corresponds to the empty area. Discharge pipes are provided at the lowest point of both the bottom bucket and the lowest point of the collection box.

3. The corn starch coarse processing raw material impurity removal device according to claim 2, characterized in that, Each of the rollers is provided with a bracket, which is located at the bottom of the roller and is used to support the roller. Two sliding bodies are provided at the bottom of the bracket. The top of the bottom barrel and the top of the core tube are provided with an outer edge. The two outer edges and the corresponding bottom barrel and core tube respectively form two annular grooves. The two sliding bodies are slidably installed in the two annular grooves respectively.

4. The corn starch coarse processing raw material impurity removal device according to claim 3, characterized in that, The opening of the annular groove faces downwards, the outer edge is inclined, and the shape of each sliding body is a U-shape with the opening facing upwards. One end of the U-shape is fixedly connected to the bracket, and the other end of the U-shape is slidably installed in the annular groove. The middle part of the U-shape is set as a conical surface.

5. The corn starch coarse processing raw material impurity removal device according to claim 4, characterized in that, The bracket has a rubber body on its side wall.

6. The corn starch coarse processing raw material impurity removal device according to claim 5, characterized in that, The impurity removal device also includes an outer cover that is coaxially arranged with and relatively fixed to the bottom barrel. A feeding channel is provided on the side wall of the outer cover. A baffle corresponding to the feeding channel is provided inside the outer cover. The baffle includes a side baffle and a front baffle. The side baffle is used to prevent material from falling into the empty area, and the front baffle is used to prevent material discharged from the feeding channel from falling into the core tube.

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