Shelling and screening device for peanut processing
The peanut shelling and screening device, which combines multi-layer screens and a vibrating motor, solves the problems of incomplete shelling and incomplete separation of broken shells in the existing technology, and achieves complete separation of peanuts and broken shells, thereby improving shelling efficiency and collection convenience.
Patent Information
- Application Number
- CN202520690534.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-14
AI Technical Summary
Existing peanut shelling machines have problems with incomplete shelling and incomplete separation of broken shells, resulting in the waste of peanuts that are not completely shelled, and the wind power is not easy to control, which affects peanut collection.
Design a peanut shelling and screening device that combines multi-layer screens and a vibrating motor. The first screen screens out unshelled peanuts and larger broken shells, while the second screen screens out shelled peanuts and small broken shells. A blower blows away the small broken shells, and a conveyor belt is used for secondary shelling of unshelled peanuts.
It achieves complete separation of peanuts and shells, avoids waste of unshelled peanuts, improves shelling efficiency, and ensures the convenience and integrity of peanut collection.
Smart Images

Figure CN223847475U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to peanut shell technology field, concretely is a kind of shelling and screening device for peanut processing. BACKGROUND
[0002] Peanut is not only high-quality oil crop, but also main protein resource, and processing product category is many, and industrial chain is long, has become important export product and the planting variety of agricultural key development of our country.When peanut is seed or commodity, peanut pod needs to be specially shelled, and from the overall processing level at home and abroad, only when peanut is used as oil processing, machine is used to shell peanut pod, and the rest is still shelled by artificial peanut pod.Artificial shelling can guarantee the breakage rate of peanut kernel, but its obvious shortcomings, such as labor, loss rate are very high, and operation efficiency is low, and these shortcomings are difficult problems that farmers cannot solve.If high-efficiency peanut shelling machine is used, all problems will be solved, and the efficiency of peanut shelling machine will be more than forty times the efficiency of artificial shelling, which greatly shortens the shelling time and guarantees the loss rate of peanut pod.
[0003] Prior art publication number CN221689991U discloses a kind of peanut shelling machine, the device is used, only through single layer screen to screen shelled peanut, only completely shelled peanut or screen hole of screen is fallen, therefore, part of unshelled peanut will be screened out with larger shell, so that unshelled peanut is wasted, simultaneously, the device is discharged by air blower and mixes small shell in peanut is blown away, but the wind power of blowing shell is not easy to control, so that it cannot completely blow shell or blow away peanut, affect the collection of shelled peanut. UTILITY MODEL CONTENT
[0004] The utility model aims at making up for the deficiency of incomplete shelling and incomplete shell separation of prior art, and provides a kind of shelling and screening device for peanut processing.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a peanut shelling and screening device, comprising a housing, with legs fixedly connected to the four corners of the housing's perimeter. The top of the housing is open and connected to a feed hopper. A rotating roller is movably connected inside the housing. A drive motor is fixedly connected to the front of the housing, with its output shaft extending into the housing and fixedly connected to the rotating roller. An arc-shaped grid is provided below the rotating roller. Several grooves are formed on the rotating roller, with the grooves having a trapezoidal cross-section that is larger on the outside and smaller on the inside, and are distributed around the perimeter of the rotating roller. The grid is fixedly connected to the housing. A closed screening box is provided below the housing. Two support plates are provided at the bottom of the screening box, with both ends of the support plates fixedly connected to the legs. Rubber springs are fixedly connected to the four corners of the bottom of the screening box, and the rubber springs are fixedly connected to the support plates. A vibrating motor is fixedly connected to the middle of the screening box. The top of the screening box has a feed inlet, and a first screen and a second screen are fixedly connected inside the screening box, arranged vertically. The first screen and the second screen are both inclined in opposite directions. The left and right sides of the screening box have discharge outlets. A fan is fixedly connected to the front of the screening box, and an air supply pipe is fixedly connected to the air outlet of the fan. The air outlet of the air supply pipe passes through the screening box. An L-shaped conveying pipe is connected to the right side of the box. Two vertically arranged movable rollers are movably connected inside the conveying pipe. A conveyor belt is driven between the two conveying pipes, and several evenly distributed fixed strips are fixedly connected to the outer surface of the conveyor belt. The top and bottom of the cover are connected to the box and the screening box, respectively. The rear of the box and the cover are equipped with pulleys, and two pulleys are fixedly connected to the rotating roller and the movable roller, respectively. A belt is driven between the two pulleys.
[0006] As mentioned above, the first screen is provided with a number of evenly distributed circular screen holes, and the second screen is provided with a number of elongated groove-shaped screen holes, and the number of groove-shaped screen holes are arranged linearly back and forth.
[0007] As described above, a waste discharge port is provided at the bottom of the screening box near the right side, and a material discharge plate is provided below the waste discharge port, and the material discharge plate is fixedly connected to the screening box.
[0008] As described above, the bottom of the box is shaped like a bucket, and a discharge port is opened at the bottom of the box. The bottom of the box is inserted into the feed port. Wavy elastic rubber plates are fixedly connected to both sides of the box, and the elastic rubber plates are fixedly connected to the feed port.
[0009] As described above, a slot is provided on the left side of the cover near the bottom, the right end of the first screen is fixedly connected to the right outlet, and a guide plate and a receiving plate are provided between the screening box and the cover, which are respectively fixedly connected to the right outlet and the slot.
[0010] The second screen left end extends from the left discharge port and is arranged in a necked shape, and the second screen top is located at the necked portion, and the guide plate and the receiving plate are fixedly connected with the baffle on the front and back sides.
[0011] The top cover of the box body is provided with an arc-shaped section, the feed hopper is integrally arranged with the top cover, a through groove is formed in the right side of the top cover, the top cover and the box body are fixed by screws, the cover body is fixed on the through groove by screws, and the right side of the cover body is fixedly connected with the supporting leg.
[0012] Compared with the prior art, the shelling and screening device for peanut processing has the following beneficial effects:
[0013] First, the cover body is arranged, the cover body and the box body are communicated through the through groove, the cover body and the screening groove are communicated through the discharge port, the guide plate, the receiving plate and the slot, and the conveying belt with the fixed strips on the outer surface is arranged in the cover body, so that the large pieces of shell fragments and the unshelled peanuts screened out by the first screen are conveyed upward into the box body through the fixed strips when the conveying belt moves, and the unshelled peanuts can be shelled again, so that the unshelled peanuts are not wasted.
[0014] Second, the screening box is arranged, the first screen with the circular screen holes and the second screen with the groove-shaped screen holes are arranged in the screening box to screen the shelled peanuts multiple times, the larger shell fragments and the unshelled peanuts are screened out through the first screen, the shelled peanuts and the small shell fragments are separated through the second screen, the air blower is arranged to blow air in the screening box, the small shell fragments are blown away from the groove-shaped screen holes, the peanuts are blocked, the peanuts and the shell fragments are completely separated, and the peanuts are not blown away by the strong wind, so that the peanuts are more convenient to collect.
[0015] Other advantages, objects and features of the present application will be set forth in part in the following specification, and in part will be apparent from the examination of the following specification, or can be learned from the practice of the present application without undue experimentation. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional structure schematic diagram of the present application;
[0017] Figure 2 It is a back structure schematic diagram of the present application;
[0018] Figure 3 It is an internal structure schematic diagram of the present application;
[0019] Figure 4 It is a movable roller and grating structure schematic diagram of the present application;
[0020] Figure 5 It is the first screen and second screen structure schematic view of the utility model;
[0021] Figure 6 It is the conveying belt structure schematic view of the utility model.
[0022] In the figure: 1, box body;2, feed hopper;3, screening box;4, support leg;5, drive motor;6, conveying pipe;7, pulley;8, rotating roller;9, grid;10, conveying belt;11, support plate;12, vibration motor;13, second screen;14, first screen;15, fan;16, guide plate;17, elastic rubber plate;18, receiving plate. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] For example, Figures 1-6As shown, the utility model provides a technical scheme: a shelling and screening device for peanut processing, including box 1, the four corners of box 1 week side close fixedly connected with support leg 4, the top of box 1 is open setting, and box 1 top is connected with feed hopper 2, the box 1 is movably connected with rotating roller 8, the front side of box 1 is fixedly connected with drive motor 5, and the output shaft of drive motor 5 extends to box 1 and is fixedly connected with rotating roller 8, the arc grid 9 is equipped below rotating roller 8, a plurality of recesses are set up on rotating roller 8, the recess section is the trapezoid of big inside small outside, and is distributed around the week side of rotating roller 8, and the grid 9 is fixedly connected in box 1, and the screening box 3 of closed setting is equipped below box 1, two support plates 11 of left and right distribution are equipped at the bottom of screening box 3, and the both ends of support plate 11 are fixedly connected with support leg 4, rubber spring is fixedly connected with support plate 11 in the rubber spring of fixed connection of the four corners of screening box 3 bottom, and vibration motor 12 is fixedly connected in the middle of screening box 3, and the output end of vibration motor 12 is provided with eccentric wheel, the feeding port is set up in the top of screening box 3, and the first screen 14 and second screen 13 of up and down distribution are fixedly connected in screening box 3, the first screen 14 and second screen 13 are all inclined setting, and the opposite direction is inclined, and the discharge port is set up in the left and right sides of screening box 3, and the fan 15 is fixedly connected with the front side of screening box 3, and the air outlet of fan 15 is fixedly connected with gas pipe, and the gas outlet end of gas pipe penetrates screening box 3, and the conveying pipe 6 of L shape setting is connected with the right side of box 1, two movable rollers of up and down distribution are movably connected in conveying pipe 6, and conveying belt 10 is drivingly connected between two conveying pipes 6, and a plurality of evenly distributed fixed strips are fixedly connected on the outer surface of conveying belt 10, the top and bottom of cover body are communicated with box 1 and screening box 3 respectively, and the rear side of box 1 and cover body is equipped with pulley 7, and two pulleys 7 are fixedly connected with rotating roller 8 and movable roller respectively, and the belt is drivingly connected between two pulleys 7.
[0025] According to the overall structure of the device, in use, the external power supply is turned on, and the driving motor 5, the vibration motor 12 and the fan 15 are started, the peanuts are poured into the feeding hopper 2, the collecting bag is placed on the left side of the second screen 13, the driving motor 5 drives the rotating roller 8 to rotate, the peanuts fall into the groove of the rotating roller 8 from the feeding hopper 2 and rotate with the rotating roller 8, when the peanuts rotate between the rotating roller 8 and the grid 9, the space between the rotating roller 8 and the grid 9 gradually narrows, so that the peanuts are extruded to break the peanut shells and separate the peanut shells, so as to realize the shelling, the shelled peanuts fall through the grid 9 into the screening box 3, the eccentric wheel is driven by the vibration motor 12 to generate centrifugal force, at the same time, the screening box 3 and the supporting plate 11 are elastically connected through the rubber spring, so that the screening box 3 vibrates to drive the first screen 14 and the second screen 13 to vibrate and screen, the unshelled peanuts and the larger broken shells are screened out through the first screen 14, the shelled peanuts and the fine broken shells fall on the second screen 13, air is blown into the screening box 3 through the fan 15, and the shelled peanuts and the fine broken shells are completely separated through the second screen 13, and the shelled peanuts roll out of the discharge port along the second screen 13 into the collecting bag, and the collection is completed, at the same time, the unshelled peanuts and the larger broken shells roll along the first screen 14 into the cover body, the driving motor 5 drives the movable roller to rotate through the belt pulley 7 and the belt, so that the conveying belt 10 drives the unshelled peanuts and the larger broken shells to be lifted, so that the unshelled peanuts and the larger broken shells return to the box body 1 along the conveying pipe 6, and are rotated with the rotating roller 8 to be shelled again, so that the unshelled peanuts are broken, and the larger broken shells can be broken into fine broken shells again, and then fall into the screening box 3 to be screened again, so that the peanuts are repeatedly shelled, and the peanuts and the broken shells are completely separated.
[0026] As shown in Figure 5 , the first screen 14 is provided with a plurality of uniformly distributed circular screen holes, the second screen 13 is provided with a plurality of slot-shaped screen holes, and the plurality of slot-shaped screen holes are linearly arranged in front and back, and the bottom of the screening box 3 is provided with a discharge port close to the right side, and a discharging plate is arranged below the discharge port and fixedly connected with the screening box 3.
[0027] The larger broken shells and the unshelled peanuts are screened out through the circular screen holes of the first screen 14, and the shelled peanuts and the fine broken shells are separated through the slot-shaped screen holes of the second screen 13, the fine broken shells fall to the bottom of the screening box 3 through the slot-shaped screen holes, and the slot-shaped screen holes are arranged along the discharging direction of the shelled peanuts, so that the shelled peanuts are not stuck in the slot-shaped screen holes when rolling out under the condition of air blowing, facilitating the discharging of the shelled peanuts, and when the fan 15 blows air into the screening box 3, a strong airflow is generated to flow from the discharge port to the outside, so that the fine broken shells are blown to the discharge port and taken out from the discharge port, so as to complete the discharge of the broken shells.
[0028] As shown in Figure 3As shown, the bottom of the box 1 is provided with a hopper, and the bottom of the box 1 is provided with a discharge port, the bottom of the box 1 is inserted into the feed port, and the left and right sides of the box 1 are fixedly connected with the elastic rubber plate 17, and the elastic rubber plate 17 is fixedly connected with the feed port.
[0029] The bottom of the box 1 is provided with a hopper, and the bottom of the box 1 is provided with a discharge port, the bottom of the box 1 is inserted into the feed port, and the left and right sides of the box 1 are fixedly connected with the elastic rubber plate 17, and the elastic rubber plate 17 is fixedly connected with the feed port.
[0030] As shown in Figure 5 , 6 , the left side of the cover is provided with a slot near the bottom, the right end of the first screen 14 is fixedly connected at the right discharge port, the screen box 3 and the cover are provided with the upper and lower distribution of the guide plate 16 and the receiving plate 18, and the guide plate 16 and the receiving plate 18 are fixedly connected at the right discharge port and the slot respectively.
[0031] The guide plate 16 and the receiving plate 18 communicate the screening groove and the cover, the unhulled peanuts roll out of the discharge port onto the guide plate 16, and finally enter the cover from the slot, which facilitates the unhulled peanuts to enter the cover, and the guide plate 16 and the receiving plate 18 are provided in sections to ensure the connectivity while not affecting the vibration of the screening box 3.
[0032] As shown in Figure 3 , the left end of the second screen 13 extends from the left discharge port and is provided with a neck, and the top of the second screen 13 is located at the neck, and the front and rear sides of the guide plate 16 and the receiving plate 18 are fixedly connected with the baffle.
[0033] The neck facilitates the collection of the unhulled peanuts on the second screen 13, and the baffle blocks the discharge of the unhulled peanuts and the unhulled peanuts, preventing the unhulled peanuts and the unhulled peanuts from rolling onto the ground and affecting the collection and secondary hulling.
[0034] Figure 1 As shown in , the top of the box 1 is provided with a top cover with an arc cross section, and the feed hopper 2 is integrally provided with the top cover, the right side of the top cover is provided with a through slot, the top cover and the box 1 are fixed by screws, the cover is fixed at the through slot by screws, and the cover is fixedly connected with the support leg 4.
[0035] The box 1, the top cover and the cover are fixedly connected by screws, which facilitates the separation of the box 1, the top cover and the cover, thereby facilitating the cleaning and washing of the residual peanuts, shells and the like inside, maintaining the hygiene of the device, and supporting the cover by the support leg 4 to ensure the stability of the device.
[0036] Working principle: in use, turn on the external power supply, and start the drive motor 5, the vibration motor 12 and the fan 15, pour peanuts into the feed hopper 2, put the collecting bag on the left side of the second screen 13, the drive motor 5 drives the rotating roller 8 to rotate, the peanuts fall into the groove of the rotating roller 8 and rotate with the rotating roller 8, when the peanuts rotate between the rotating roller 8 and the grid 9, the space between the grid 9 and the rotating roller 8 gradually narrows, so that the peanuts are extruded to break the peanut shells, so as to realize shelling, the shelled peanuts fall through the grid 9 into the screening box 3, the vibration motor 12 drives the eccentric wheel to generate centrifugal force, at the same time, the screening box 3 and the supporting plate 11 are elastically connected through the rubber spring, so that the screening box 3 vibrates to drive the first screen 14 and the second screen 13 to vibrate and screen, the unshelled peanuts and the larger broken shells are screened out through the first screen 14, the shelled peanuts and the fine broken shells fall on the second screen 13, air is blown into the screening box 3 through the fan 15, and the shelled peanuts and the fine broken shells are completely separated through the second screen 13, and the shelled peanuts can be prevented from being stuck through the slot-shaped screen holes, and the shelled peanuts roll out of the discharge port along the second screen 13 into the collecting bag, and the collection is completed, at the same time, the unshelled peanuts and the larger broken shells roll along the first screen 14 to the guide plate 16 and fall on the receiving plate 18, and then enter the cover body through the slot, the drive motor 5 drives the movable roller to rotate through the belt pulley 7 and the belt, so that the conveying belt 10 drives the unshelled peanuts and the larger broken shells to be lifted, and the unshelled peanuts and the larger broken shells are returned to the box body 1 along the conveying pipe 6, and are rotated with the rotating roller 8 to be shelled again, so that the unshelled peanuts are broken, and the larger broken shells can be broken into fine broken shells again, and then fall into the screening box 3 to be screened again, the above screening steps are repeated, so that the peanuts are repeatedly shelled, and the peanuts and the broken shells are completely separated.
[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A shelling and screening device for peanut processing, comprising a box (1), four legs (4) are fixedly connected to the box (1) near the corners on the periphery, the top of the box (1) is provided with an opening, and a feed hopper (2) is connected to the top of the box (1); a rotating roller (8) is movably connected in the box (1); a drive motor (5) is fixedly connected to the front side of the box (1), and the output shaft of the drive motor (5) extends into the box (1) and is fixedly connected with the rotating roller (8); and an arc-shaped grille (9) is arranged below the rotating roller (8). The rotating roller (8) is provided with a plurality of grooves, the cross section of the groove is trapezoidal with large outer and small inner, and is distributed around the side of the rotating roller (8), and the grid (9) is fixedly connected in the box (1), the bottom of the screening box (3) is provided with two left and right supporting plates (11), the both ends of the supporting plate (11) are fixedly connected with the supporting leg (4), the bottom of the screening box (3) is fixedly connected with rubber springs near the four corners, and the rubber springs are fixedly connected with the supporting plate (11), the middle of the screening box (3) is fixedly connected with a vibrating motor (12), the top of the screening box (3) is provided with a feeding port, and the screening box (3) is fixedly connected with the first screen (14) and the second screen (13) distributed upward and downward, the first screen (14) and the second screen (13) are both inclined, and the inclination directions are opposite, the left and right sides of the screening box (3) are provided with discharge ports, the front side of the screening box (3) is fixedly connected with a fan (15), and the fan (15) is fixedly connected with a gas conveying pipe at the air outlet, the gas conveying pipe penetrates the screening box (3) at the gas outlet end, the right side of the box (1) is connected with an L-shaped conveying pipe (6), the conveying pipe (6) is movably connected with two movable rollers distributed upward and downward, the conveying belts (10) are drivingly connected between the two conveying pipes (6), and a plurality of fixed strips are fixedly connected on the outer surface of the conveying belt (10), the top and bottom of the cover are communicated with the box (1) and the screening box (3) respectively, the rear sides of the box (1) and the cover are provided with pulleys (7), and the two pulleys (7) are fixedly connected with the rotating roller (8) and the movable roller respectively, and the two pulleys (7) are drivingly connected with a belt.
2. The shelling and sorting apparatus for processing peanuts according to claim 1, wherein: The first screen (14) is provided with a plurality of uniformly distributed circular screen holes, and the second screen (13) is provided with a plurality of slot-shaped screen holes, and the plurality of slot-shaped screen holes are linearly arranged front and back.
3. The shelling and sorting apparatus for processing peanuts according to claim 1, wherein: The bottom of the screening box (3) is provided with a discharge port near the right side, and a discharging plate is arranged below the discharge port and fixedly connected with the screening box (3).
4. The shelling and sorting apparatus for processing peanuts according to claim 1, wherein: The bottom of the box (1) is provided with a hopper, and the bottom of the box (1) is inserted into the feeding port, and the left and right sides of the box (1) are fixedly connected with the elastic rubber plates (17) of wave shape, and the elastic rubber plates (17) are fixedly connected with the feeding port.
5. The shelling and sizing device for processing peanuts of claim 1, wherein: The cover is provided with a slot near the bottom of the left side, the right end of the first screen (14) is fixedly connected with the right discharge port, and the screening box (3) and the cover are provided with the guide plate (16) and the receiving plate (18) distributed upward and downward, and the guide plate (16) and the receiving plate (18) are fixedly connected with the right discharge port and the slot respectively.
6. The shelling and sizing apparatus for processing peanuts of claim 5, wherein: The left end of the second screen (13) is protruded from the left discharge port and is provided with a necking portion, and the top of the second screen (13) is fixedly connected with the baffle on the both sides of the necking portion, the guide plate (16) and the receiving plate (18).
7. The shelling and sizing device for processing peanuts of claim 1, wherein: The box (1) top is equipped with the top cover of arc section, and the feed hopper (2) is integrally arranged with the top cover, the right side of the top cover is provided with a through slot, the top cover and the box (1) are fixed through screws, the top of the cover body is fixed at the through slot through screws, and the right side of the cover body is fixedly connected with the supporting leg (4).
Citation Information
Patent Citations
Peanut sheller
CN221689991U