Peanut screening device
By combining a servo motor and a spiral conveyor blade with a drum screen, the problem of uneven peanut entry in the peanut screening device was solved, achieving uniform peanut conveying and grading screening, thus improving the screening effect and applicability.
Patent Information
- Application Number
- CN202520031278.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing peanut screening devices are not conducive to controlling the peanuts in the feed inlet to enter the drum screen evenly, resulting in too many or too few peanuts in the drum screen, which affects the screening effect.
A servo motor and spiral conveyor blades are used in conjunction with a drum screen. The peanut conveying rate is adjusted by controlling the speed of the servo motor to ensure that the peanuts enter the drum screen evenly and are screened step by step through the graded drum screen holes.
It achieves uniform conveying and grading of peanuts, improves screening effect, avoids incomplete tumbling of peanuts in the drum screen, and enhances the applicability and screening efficiency of the device.
Smart Images
Figure CN223946126U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to peanut processing technical field, concretely relates to a peanut screening device. BACKGROUND
[0002] Peanut is also called groundnut, which is originated from South America, is in the form of butterfly, belongs to annual herbaceous plant, and is praised as "plant meat" by people, has high oil content of 50%, excellent quality and fragrant smell, can nourish and benefit, and is helpful to prolong life, so it is also called "longevity fruit" in folk, because many dead or small granular fruits are contained in peanut, so the quality of peanut needs to be selected before being processed into food, full and large peanuts are used for food processing, and small or dead and shriveled peanuts can be used for oil pressing, therefore, a screening device is needed to screen the size of peanuts.
[0003] The traditional screening device for peanuts is used, the peanuts are transmitted to the screening drum through the feeding opening, the driving motor drives the drum screen to rotate, under the action of centrifugal force generated by the rotation of the drum screen, the peanuts are tumbled in the drum screen, and then are screened out through the screen hole arranged in the drum screening stage, but the existing screening device is not convenient to control the uniform entry of the peanuts in the feeding opening into the drum screen, the peanuts in the feeding hopper can directly enter the drum screen, the peanuts in the drum screen cannot be completely rolled through the screen hole of the drum screen, the screen hole of the drum screen cannot screen the peanuts of the corresponding size, the drum screen cannot well screen the peanuts, and the screening effect is affected. UTILITARIAN CONTENT
[0004] The utility model aims at providing a peanut screening device, solves the problems that the existing screening device is not convenient to control the uniform entry of the peanuts in the feeding opening into the drum screen, the peanuts in the feeding hopper can directly enter the drum screen, the drum screen cannot well screen the peanuts, and the screening effect is affected.
[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:
[0006] The utility model provides a kind of peanut screening device, including rotatingly being arranged above the base drum screen, the both ends of drum screen are equipped with inlet and viewing port respectively, the screen hole of drum screen is gradually increased grading from inlet to viewing port, the lower of drum screen is equipped with grading drainage frame, the one end of base near inlet of drum screen is equipped with the drive motor for driving drum screen rotation, the one end of base near inlet of drum screen is equipped with the horizontally arranged conveying cylinder by support frame, the one end of conveying cylinder near drum screen is placed inside drum screen by inlet, and it is open setting, the one end of conveying cylinder away from drum screen is equipped with servo motor, the output shaft of servo motor rotates and passes into the inside of conveying cylinder, and transmission is connected with spiral conveying leaf, the top of the one end of conveying cylinder near servo motor is equipped with the feed hopper being connected with its inside.
[0007] Further technical solutions are that the one end of drum screen near inlet is equipped with auxiliary cylinder, auxiliary cylinder is hollow circular table shape setting, and the ring diameter of the one end near drum screen is greater than the ring diameter of the one end away from drum screen.
[0008] Further technical solutions are that drum screen is hollow circular table shape setting, and the ring diameter of the one end near inlet is less than the ring diameter of the one end near viewing port, drum screen is sequentially divided into first screening section, second screening section, third screening section and fourth screening section from inlet to viewing port, the aperture range of first screening section, second screening section, third screening section and fourth screening section is sequentially increased setting;The inside of grading drainage frame is isolated by baffle and is equipped with first guide frame, second guide frame, third guide frame and fourth guide frame, and is respectively arranged under first screening section, second screening section, third screening section and fourth screening section.
[0009] Further technical solutions are that the top of baffle and the side plate near both ends of grading drainage frame are half ring type setting, the outside of drum screen is equipped with three support rings for sequentially dividing drum screen into first screening section, second screening section, third screening section and fourth screening section from inlet to viewing port, the outer wall of support ring is respectively slidably contacted with the top of corresponding baffle, the outer wall of both ends of drum screen is respectively slidably contacted with the top of corresponding side plate of grading drainage frame.
[0010] Further technical solutions are that the inside of drum screen near viewing port is equipped with blocking ring around its inner wall.
[0011] Compared with prior art, the utility model has the beneficial effects that:
[0012] 1、By setting the feed cylinder, servo motor and screw conveying leaf, the peanuts are poured into the feed hopper, the peanuts in the feed hopper fall into the conveying cylinder, the servo motor is started to work, the output shaft of the servo motor uniformly drives the screw conveying leaf to rotate, the screw conveying leaf uniformly conveys the peanuts in the conveying cylinder to the inside of the drum screen, thereby ensuring uniform conveying of peanuts into the drum screen, avoiding the case that the peanuts in the feed hopper directly enter the drum screen, causing the amount of peanuts to be screened in the drum screen at the same time to be too much, affecting the screening effect.
[0013] 2、By setting the feed cylinder, servo motor and screw conveying leaf, by controlling the rotating speed of the output end of the servo motor, the rotating speed of the screw conveying leaf is controlled, and finally the rate of conveying the peanuts in the conveying cylinder into the inside of the drum screen can be controlled. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a schematic view of the structure of the peanut screening device.
[0015] Figure 2 It is a schematic view of the structure of the drum screen.
[0016] Figure 3 It is a schematic view of the structure of the grading drainage frame.
[0017] Icon: 1-base, 2-drum screen, 3-feeding port, 4-viewing port, 5-grading drainage frame, 6-driving motor, 7-supporting frame, 8-conveying cylinder, 9-servo motor, 10-screw conveying leaf, 11-feed hopper, 12-assistant cylinder, 13-first screening section, 14-second screening section, 15-third screening section, 16-fourth screening section, 17-first guide frame, 18-second guide frame, 19-third guide frame, 20-fourth guide frame, 21-baffle, 22-supporting ring, 23-blocking ring, 24-mounting frame, 25-transmission rod, 26-bearing, 27-strut. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.
[0019] Example:
[0020] Reference Figures 1 to 3It is shown that a kind of peanut screening device, including rotating drum screen 2 set on the base 1, the both ends of drum screen 2 are respectively provided with inlet 3 and viewing port 4, the screen hole of drum screen 2 is gradually increased from inlet 3 to viewing port 4 and is arranged in stages, the lower side of drum screen 2 is provided with grading drainage frame 5, grading drainage frame 5 is arranged in stages according to the number of screen holes, the end of base 1 close to inlet 3 of drum screen 2 is provided with driving motor 6 for driving drum screen 2 to rotate, it should be noted that, the top of base 1 is provided with two mounting frames 24, the inner shaft of drum screen 2 is provided with transmission rod 25 through support rod 27, the both ends of transmission rod 25 are sleeved with bearing 26, the outer ring wall of bearing 26 is fixedly connected with the top of corresponding mounting frame 24, so that drum screen 2 is rotatably arranged above base 1, at the same time, driving motor 6 drives transmission rod 25 to rotate through gear, and then drives drum screen 2 to rotate, which belongs to the common technical knowledge of those skilled in the art, and those skilled in the art can obtain the corresponding mounting relationship and structure according to the common knowledge, the end of base 1 close to inlet 3 of drum screen 2 is provided with horizontally arranged conveying cylinder 8 through support frame 7, the end of conveying cylinder 8 close to drum screen 2 is arranged in the interior of drum screen 2 through inlet 3, and is arranged in an open manner, the end of conveying cylinder 8 away from drum screen 2 is provided with servo motor 9, the output shaft of servo motor 9 is rotatably arranged in the interior of conveying cylinder 8, and is drivingly connected with spiral conveying blade 10, the top of the end of conveying cylinder 8 close to servo motor 9 is provided with feed hopper 11 in communication with the interior thereof.
[0021] Wherein, by setting servo motor 9 and spiral conveying blade 10, in use, servo motor 9 drives spiral conveying blade 10 to rotate, and the peanuts in conveying cylinder 8 are conveyed into drum screen 2, when the conveying speed of peanuts into drum screen 2 is too fast, and the amount of peanuts in drum screen 2 is too much, at this time, the rotating speed of servo motor 9 is reduced, and the rotating speed of spiral conveying blade 10 is reduced, so as to slow down the conveying speed of peanuts, avoid that the peanuts in feed hopper 11 directly enter drum screen 2, and cause that the amount of peanuts to be screened in drum screen 2 at the same time is too much, prevent the peanuts in drum screen 2 from rolling in drum screen 2 and not completely rolling through the screen hole of drum screen 2, so that the screen hole of drum screen 2 cannot screen the peanuts of corresponding size, cause that drum screen 2 cannot well screen the peanuts, and affect the screening effect; on the contrary, when the conveying speed of peanuts into drum screen 2 is too slow, and the amount of peanuts in drum screen 2 is too less, the rotating speed of servo motor 9 can be increased, and then the amount of peanuts in drum screen 2 is increased; it should be noted that, the working of driving motor 6 and servo motor 9 is controlled through console, which is prior art, and will not be described here.
[0022] In use, the peanuts are poured into the feed hopper 11, the peanuts in the feed hopper 11 fall into the conveying cylinder 8, the servo motor 9 is started to work, the output shaft of the servo motor 9 uniformly drives the spiral conveying blade 10 to rotate, the spiral conveying blade 10 uniformly conveys the peanuts in the conveying cylinder 8 to the inside of the drum screen 2, thereby ensuring uniform conveying of the peanuts into the drum screen 2, the driving motor 6 drives the drum screen 2 to rotate, under the action of the centrifugal force generated by the rotation of the drum screen 2, the peanuts tumble in the drum screen 2, the screen holes of the drum screen 2 are gradually increased from the inlet 3 to the viewing port 4 and are graded, the peanuts are gradually screened out and fall into the corresponding grading drainage frame 5, and at the same time, through the viewing port 4, the inside of the drum screen 2 can be conveniently observed.
[0023] As a preferred embodiment, refer to Figure 1 、 Figure 2 It is shown that the drum screen 2 is provided with an auxiliary cylinder 12 near one end of the inlet 3 thereof, the auxiliary cylinder 12 is provided in a hollow circular table shape, and the ring diameter near the drum screen 2 is greater than the ring diameter away from the drum screen 2. By providing the auxiliary cylinder 12 in a hollow circular table shape, the inlet 3 of the drum screen 2 is extended. When the peanuts in the conveying cylinder 8 are conveyed into the drum screen 2 by the spiral conveying blade 10, the peanuts will scatter and splash after falling and hitting the drum screen 2. The inner wall of the auxiliary cylinder 12 can block and receive the splashing peanuts, preventing the splashing peanuts from falling out of the drum screen 2 through the inlet 3 and falling to the ground, thereby reducing the need for workers to handle the splashed peanuts, reducing labor, and at the same time, the inner wall of the auxiliary cylinder 12 is inclined towards the drum screen 2, so that the peanuts splashed on the inner wall of the auxiliary cylinder 12 will automatically roll into the drum screen 2, improving the applicability of the device.
[0024] As a preferred embodiment, refer to Figures 1 to 3It is shown that the drum screen 2 is arranged in a hollow circular table shape, and the ring diameter near the one end of the material inlet 3 is smaller than the ring diameter near the one end of the viewing port 4. The drum screen 2 is sequentially divided into the first screening section 13, the second screening section 14, the third screening section 15 and the fourth screening section 16 from the material inlet 3 to the viewing port 4. The hole diameter ranges of the first screening section 13, the second screening section 14, the third screening section 15 and the fourth screening section 16 are arranged in an increasing order, that is, the screen hole range of the first screening section 13 is smaller than that of the second screening section 14, the screen hole range of the second screening section 14 is smaller than that of the third screening section 15, and the screen hole range of the third screening section 15 is smaller than that of the fourth screening section 16. It should be noted that the hole diameter ranges of the first screening section 13, the second screening section 14, the third screening section 15 and the fourth screening section 16 are set according to the actual screening of peanut grades to ensure that peanuts are screened into corresponding grades according to different sizes. The first guide frame 17, the second guide frame 18, the third guide frame 19 and the fourth guide frame 20 are isolated by the partition plate 21 inside the grading drainage frame 5, and are respectively arranged below the first screening section 13, the second screening section 14, the third screening section 15 and the fourth screening section 16. It should be noted that the screen hole diameter near the fourth screening section 16 is arranged to allow the material in the drum screen 2 to pass through the screen hole and leak out, thereby ensuring that there is no material inside the drum screen 2 after use, avoiding affecting the next use.
[0025] In use, the drum screen 2 is arranged in a hollow circular table shape, and the ring diameter near the one end of the material inlet 3 is smaller than the ring diameter near the one end of the viewing port 4, so that the inner wall at the bottom side of the drum screen 2 is always inclined to the direction of the viewing port 4 when the drum screen 2 rotates. Thus, it can be ensured that the peanuts are rolled from the one end of the material inlet 3 to the one end of the viewing port 4 while being tumbled by the rotation of the drum screen 2, so that the peanuts can be screened through the screen holes of the first screening section 13, the second screening section 14, the third screening section 15 and the fourth screening section 16 in sequence. Since the screen hole sizes of the first screening section 13, the second screening section 14, the third screening section 15 and the fourth screening section 16 are different, the peanuts are gradually separated and screened. The peanuts of corresponding particle sizes are screened and fall into the corresponding guide frames, thereby completing the screening of peanuts of different sizes and grades.
[0026] As a preferred embodiment, refer to Figure 3As shown, the top of the partition plate 21 and the side plate of the grading flow guide frame 5 close to both ends of the drum screen 2 are in a semi-ring type, and the outer side of the drum screen 2 is sleeved with three support rings 22 for sequentially dividing the drum screen 2 from the feeding port 3 to the viewing port 4 into the first screening section 13, the second screening section 14, the third screening section 15 and the fourth screening section 16, the outer wall of the support ring 22 is in sliding contact with the top of the corresponding partition plate 21, and the outer wall of both ends of the drum screen 2 is in sliding contact with the top of the corresponding side plate of the grading flow guide frame 5. By arranging the support ring 22, the support ring 22 can support the drum screen 2 to prevent it from deforming. Meanwhile, the top of the partition plate 21 and the side plate of the grading flow guide frame 5 close to both ends of the drum screen 2 are in a semi-ring type, the outer wall of the support ring 22 is in sliding contact with the top of the corresponding partition plate 21, and the outer wall of both ends of the drum screen 2 is in sliding contact with the top of the corresponding side plate of the grading flow guide frame 5, so that the screened peanuts can be prevented from entering the corresponding guide frame through the gap between the drum screen 2 and the partition plate 21, or the peanuts can be prevented from spilling outside through the gap between the drum screen 2 and the side plate of the grading flow guide frame 5.
[0027] As a preferred embodiment, refer to Figure 1 As shown, the inner side of the drum screen 2 close to the viewing port 4 is provided with a blocking ring 23 around the inner side wall thereof. By arranging the blocking ring 23, the peanuts in the drum screen 2 can be prevented from rolling out through the viewing port 4 and falling to the ground, thereby avoiding the need for workers to handle the fallen peanuts and increasing the labor force.
[0028] Although the present application has been described with reference to a number of explanatory embodiments thereof, it should be understood that many other modifications could be made by those skilled in the art without departing from the scope and spirit of the application. More specifically, many variations and modifications of the subject combination layout can be made to the constituent components and / or layout within the scope and spirit of the application. Other uses will be apparent to those skilled in the art.
Claims
1. A peanut screening device, comprising a rotary drum screen (2) rotatably mounted above a base (1), wherein the two ends of the rotary drum screen (2) are respectively provided with a feed inlet (3) and a viewing port (4), the screen holes of the rotary drum screen (2) gradually increase in size from the feed inlet (3) to the viewing port (4) for grading, a grading guide frame (5) is provided below the rotary drum screen (2), and a drive motor (6) for driving the rotary drum screen (2) to rotate is provided at one end of the base (1) near the feed inlet (3) of the rotary drum screen (2), characterized in that: The base (1) is provided with a horizontal conveying cylinder (8) through a support frame (7) near one end of the drum screen (2) inlet (3), the conveying cylinder (8) is placed inside the drum screen (2) through the inlet (3) near one end of the drum screen (2), and is provided with an opening, the conveying cylinder (8) is provided with a servo motor (9) at one end away from the drum screen (2), the output shaft of the servo motor (9) rotates into the inside of the conveying cylinder (8), and is connected with a spiral conveying blade (10), the top of the conveying cylinder (8) near the servo motor (9) one end is provided with a feed hopper (11) connected with its inside.
2. A peanut screening device according to claim 1, characterised in that: The drum screen (2) is provided with an auxiliary cylinder (12) near one end of its inlet (3), the auxiliary cylinder (12) is provided in a hollow circular table shape, and the ring diameter near one end of the drum screen (2) is greater than the ring diameter away from one end of the drum screen (2).
3. The peanut screening device of claim 1, wherein: The drum screen (2) is provided in a hollow circular table shape, and the ring diameter near one end of the inlet (3) is smaller than the ring diameter near one end of the viewing port (4), the drum screen (2) is sequentially divided into a first screening section (13), a second screening section (14), a third screening section (15) and a fourth screening section (16) from the inlet (3) to the viewing port (4), the first screening section (13), the second screening section (14), the third screening section (15) and the fourth screening section (16) are provided with an increasing range of hole diameters; the inside of the grading drainage frame (5) is isolated by a partition plate (21) and is provided with a first guide frame (17), a second guide frame (18), a third guide frame (19) and a fourth guide frame (20), and is respectively arranged below the first screening section (13), the second screening section (14), the third screening section (15) and the fourth screening section (16).
4. A peanut screening device according to claim 3, wherein: The partition plate (21) and the grading drainage frame (5) near the top of the side plate of both ends of the drum screen (2) are provided in a half ring type, the drum screen (2) is provided with three support rings (22) for sequentially dividing the drum screen (2) into a first screening section (13), a second screening section (14), a third screening section (15) and a fourth screening section (16) from the inlet (3) to the viewing port (4), the outer wall of the support ring (22) is in sliding contact with the top of the corresponding partition plate (21), and the outer wall of both ends of the drum screen (2) is in sliding contact with the top of the corresponding grading drainage frame (5) side plate.
5. The peanut screening apparatus of claim 1, wherein: The drum screen (2) is provided with a blocking ring (23) around the inner side wall near the viewing port (4).