A stone removing device for corn processing

CN224641625UActive Publication Date: 2026-08-18XINCAI COUNTY RED SUN FOOD CO LTD
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Patent Information

Application Number
CN202521696400.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-11
Publication Date
2026-08-18
Estimated Expiration
2035-08-11

AI Technical Summary

Technical Problem

[0005]针对现有技术的不足,本实用新型提供了一种玉米加工用去石设备,解决了传统玉米去石设备主要依赖单层筛网振动筛分,通过单一孔径筛网实现物料与杂质的分离,单级筛分模式难以兼顾不同粒径杂质的分离需求的问题

Benefits of technology

[0023] Compared with the prior art, this utility model provides a destoning device for corn processing, which has the following beneficial effects:

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Abstract

The utility model relates to stone removing equipment technical field and disclose a kind of stone removing equipment for corn processing, including support base plate, the upper surface of support base plate is fixedly connected with two L-shaped support plates, the opposite surface of two L-shaped support plates is fixedly connected with stone removing box, the front surface of stone removing box is provided with the first rectangular groove that it is communicated with its inside, the right side of stone removing box is provided with the second rectangular groove that it is communicated with its inside, stone removing assembly, stone removing assembly is set on stone removing box, stone removing assembly includes rectangular mounting plate, separated corn is discharged from the second rectangular groove of the right end of inclined plate, stone slides on the surface of guide groove on rectangular plate closely, falls into subsequent processing area along the inclined direction of the front end of rectangular plate, respectively after collection enters subsequent processing flow, the whole process is combined by vibrating screen separation and airflow separation, efficiently removes stone impurities in corn, reduces manual screening cost, improves the automation degree and finished product quality of corn processing.
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Description

Technical Field

[0001] This utility model relates to the field of destoning equipment technology, specifically a destoning device for corn processing. Background Technology

[0002] In the corn processing industry, removing stones and other impurities from raw materials is a crucial step in ensuring product quality. Stones not only wear down processing equipment but can also affect the taste and safety of the finished product. Therefore, efficient destoning equipment is a core component of corn deep-processing production lines.

[0003] Traditional corn destoning equipment mainly relies on single-layer vibrating screens to separate materials from impurities through a single-aperture screen. This single-stage screening mode is difficult to meet the separation needs of impurities of different particle sizes. The particle size distribution of stones in corn raw materials is wide, with small stones possibly less than 5mm in diameter and large stones reaching more than 15mm. Traditional single-layer screens can either only screen out small stones or only separate large stones. If it is necessary to remove impurities of all particle sizes, the machine must be stopped to replace the screen, resulting in production interruption, increased labor costs, and low efficiency. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a destoning device for corn processing, which solves the problem that traditional corn destoning devices mainly rely on single-layer screen vibration screening, using a single-aperture screen to separate materials from impurities. The single-stage screening mode is difficult to meet the separation requirements of impurities of different particle sizes.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: a destoning device for corn processing, comprising a supporting base plate, two L-shaped supporting plates fixedly connected to the upper surface of the supporting base plate, a destoning box fixedly connected to the opposite face of the two L-shaped supporting plates, a first rectangular groove communicating with the interior of the destoning box on the front surface, and a second rectangular groove communicating with the interior of the destoning box on the right side.

[0008] Stone removal assembly, which is set on the stone removal box, includes a rectangular mounting plate, which is fixedly connected to the rear inner wall inside the stone removal box;

[0009] The upper surface of the rectangular mounting plate is provided with a rectangular plate, the front end of which extends downward into the inner wall of the first rectangular groove. The upper surface of the rectangular plate is provided with multiple air outlets, all of which are inclined to the right.

[0010] Multiple air vents penetrate the lower surface of the rectangular plate.

[0011] Preferably, an inclined plate is fixedly connected to the right side of the rectangular plate, the right end of the inclined plate extends out of the inner wall of the second rectangular groove, and six springs are fixedly connected to the lower surface of the rectangular plate.

[0012] Among them, the three springs located on the rear side are all fixedly connected to the rectangular mounting plate;

[0013] Among them, the three springs located on the front side are all fixedly connected to the inner wall of the first rectangular groove.

[0014] Preferably, each of the six springs has an auxiliary rod on its inner wall, and the telescopic ends of the six auxiliary rods are fixedly connected to the rectangular plate.

[0015] The lower ends of the six auxiliary rods are fixedly connected to the inner wall of the corresponding first rectangular groove and the lower surface of the rectangular mounting plate, respectively.

[0016] Preferably, two vibration motors are fixedly installed on the lower surface of the rectangular plate.

[0017] Preferably, four air outlet boxes are fixedly connected to the lower surface of the rectangular plate, and the four air outlet boxes are respectively connected to the corresponding air outlet holes;

[0018] Each of the four air outlet boxes has a fixed air supply hose connected to its interior on its lower surface, and the lower ends of the four air supply hoses slide through the lower surface of the stone outlet box.

[0019] Preferably, the lower surfaces of the four gas delivery hoses are fixedly connected to a gas delivery box communicating with its interior, and the left and right sides of the gas delivery box are fixedly connected to a fixing plate.

[0020] Two fixed plates are fixedly connected to corresponding L-shaped support plates, and a fan is fixedly connected to the upper surface of the support base plate. The air outlet of the fan is connected to the interior of the air supply box.

[0021] Preferably, a feed box communicating with the interior is fixedly connected to the upper surface of the destone box, and a stone receiving box is fixedly connected to the front surface of the destone box.

[0022] (III) Beneficial Effects

[0023] Compared with the prior art, this utility model provides a destoning device for corn processing, which has the following beneficial effects:

[0024] 1. This destoning equipment for corn processing discharges the separated corn from the second rectangular trough at the right end of the inclined plate. The stones slide along the guide groove surface of the rectangular plate and fall into the subsequent processing area along the inclined direction of the front end of the rectangular plate. After being collected, they enter the subsequent processing flow. The whole process combines vibrating screening and airflow separation to efficiently remove stone impurities from the corn, reduce manual screening costs, and improve the automation level and finished product quality of corn processing.

[0025] 2. In this corn processing destoning equipment, the spring and auxiliary rod form an elastic support structure to buffer the impact force of the vibration motor, ensure the rectangular plate vibrates smoothly, and avoid damage to components caused by rigid vibration. At the same time, the guiding function of the auxiliary rod prevents the rectangular plate from deviating and ensures that the material moves along the preset trajectory. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the destoning equipment for corn processing according to this utility model;

[0027] Figure 2 This is a schematic diagram of the entire utility model from the right side.

[0028] Figure 3 This is a schematic diagram showing the connection between the rectangular mounting plate and the spring of this utility model;

[0029] Figure 4 This is a schematic diagram showing the connection between the vibration motor and the rectangular plate of this utility model;

[0030] Figure 5 This is a schematic diagram of the upper surface of the rectangular plate of this utility model.

[0031] In the diagram: 1. Support base plate; 2. L-shaped support plate; 3. Feed box; 4. First rectangular trough; 5. Rectangular plate; 6. Stone receiving box; 7. Stone removal box; 8. Second rectangular trough; 9. Inclined plate; 10. Fixing plate; 11. Air supply box; 12. Fan; 13. Rectangular mounting plate; 14. Spring; 15. Air supply hose; 16. Air outlet box; 17. Vibration motor; 18. Air outlet. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Please see Figure 1-5 This utility model provides a new technical solution: a destoning device for corn processing, including a supporting base plate 1, two L-shaped support plates 2 fixedly connected to the upper surface of the supporting base plate 1, a destoning box 7 fixedly connected to the opposite face of the two L-shaped support plates 2, a first rectangular groove 4 communicating with the interior of the destoning box 7 on the front surface, a second rectangular groove 8 communicating with the interior of the destoning box 7 on the right side, and a destoning assembly, which is set on the destoning box 7 and includes a rectangular mounting plate 13, which is fixedly connected to the rear inner wall of the destoning box 7.

[0034] The rectangular mounting plate 13 has a rectangular plate 5 on its upper surface. The front end of the rectangular plate 5 extends downward into the inner wall of the first rectangular groove 4. The upper surface of the rectangular plate 5 has multiple air outlets 18, all of which are inclined to the right.

[0035] Among them, multiple air outlets 18 penetrate the lower surface of the rectangular plate 5.

[0036] Furthermore, an inclined plate 9 is fixedly connected to the right side of the rectangular plate 5, and the right end of the inclined plate 9 extends out of the inner wall of the second rectangular groove 8. Six springs 14 are fixedly connected to the lower surface of the rectangular plate 5.

[0037] Among them, the three springs 14 located on the rear side are all fixedly connected to the rectangular mounting plate 13;

[0038] Among them, the three springs 14 located on the front side are all fixedly connected to the inner wall of the first rectangular groove 4.

[0039] Furthermore, each of the six springs 14 has an auxiliary rod on its inner wall, and the telescopic ends of the six auxiliary rods are fixedly connected to the rectangular plate 5.

[0040] The lower ends of the six auxiliary rods are fixedly connected to the inner wall of the corresponding first rectangular groove 4 and the lower surface of the rectangular mounting plate 13, respectively.

[0041] Furthermore, two vibration motors 17 are fixedly installed on the lower surface of the rectangular plate 5.

[0042] Furthermore, four air outlet boxes 16 are fixedly connected to the lower surface of the rectangular plate 5, and the four air outlet boxes 16 are respectively connected to the corresponding air outlet holes 18.

[0043] Among them, the lower surfaces of the four air outlet boxes 16 are all fixedly connected with air supply hoses 15 that communicate with their interiors, and the lower ends of the four air supply hoses 15 slide through the lower surface of the stone outlet box 7.

[0044] Furthermore, the lower surfaces of the four gas delivery hoses 15 are fixedly connected to a gas delivery box 11 that communicates with its interior, and the left and right sides of the gas delivery box 11 are fixedly connected to a fixing plate 10.

[0045] Two fixed plates 10 are fixedly connected to corresponding L-shaped support plates 2 respectively. A fan 12 is fixedly connected to the upper surface of the support base plate 1. The air outlet of the fan 12 is connected to the interior of the air supply box 11.

[0046] Furthermore, a feed box 3 communicating with the interior is fixedly connected to the upper surface of the destone box 7, and a stone receiving box 6 is fixedly connected to the front surface of the destone box 7.

[0047] Furthermore, when using the corn processing destoning equipment, first start the two vibrating motors 17 and the blower 12, and then put the corn into the destoning box 7 through the feed box 3;

[0048] The fan 12 draws in outside air into the air supply box 11, which then delivers it to the air outlet box 16 via the air supply hose 15. The air is then sprayed upward through multiple air outlet holes 18 on the rectangular plate 5 to form an upward air cushion layer.

[0049] When the vibration motor 17 is powered on, its eccentric block rotates to generate periodic excitation force, which is transmitted to the rectangular plate 5 through the base, causing the rectangular plate 5 to vibrate at high frequency under the cooperation of the spring 14 and the auxiliary rod. The vibration direction is consistent with the tilt direction of the rectangular plate 5 (the front end tilts downward).

[0050] In this process, the mixture of corn and pebbles falls onto the upper surface of rectangular plate 5 and moves forward under vibration. At the same time, it is affected by an upward and rightward airflow: the corn particles, which have a lower density, are lifted by the airflow and remain suspended. Under the inertia of vibration, they jump forward and move to the right, falling onto the inclined plate 9 and finally being discharged from the second rectangular groove 8 at the right end of the inclined plate 9; the pebbles, which have a higher density, cannot be lifted by the airflow and slide close to the surface of the guide groove on the rectangular plate 5, falling into the subsequent processing area along the inclined direction at the front end of the rectangular plate 5, thus achieving the separation of corn and pebbles.

[0051] Among them, the spring 14 and the auxiliary rod form an elastic support structure to buffer the impact force of the vibration motor 17, ensure that the rectangular plate 5 vibrates smoothly, and avoid damage to the components caused by rigid vibration. At the same time, the guiding function of the auxiliary rod prevents the rectangular plate 5 from shifting and ensures that the material moves along the preset trajectory.

[0052] Among them, when processing corn with different moisture content or particle size, the strength of the air cushion layer can be controlled by adjusting the air volume of the fan 12, or the vibration amplitude can be changed by adjusting the speed of the vibration motor 17 to adapt to different working conditions.

[0053] In this process, the separated corn is discharged from the second rectangular groove 8 at the right end of the inclined plate 9, and the stones slide close to the guide groove surface of the rectangular plate 5 and fall into the subsequent processing area along the inclined direction of the front end of the rectangular plate 5. After being collected, they enter the subsequent processing flow. The whole process uses a combination of vibrating screening and airflow separation to efficiently remove stone impurities from the corn, reduce manual screening costs, and improve the automation level and finished product quality of corn processing.

[0054] Structural Description:

[0055] Rectangular plate 5

[0056] Location: Inside the stone removal box 7, supported at the rear by a rectangular mounting plate 13, and extending through the first rectangular groove 4 at the front.

[0057] Structure: The upper surface is inclined (front end downward), with multiple right-inclined air outlets 18.

[0058] Material: Wear-resistant metal plate (such as stainless steel).

[0059] Function:

[0060] Material separation platform: The main processing area for the corn and stone mixture, which achieves density sorting through vibration and airflow.

[0061] Airflow guidance: The right-tilted air outlet 18 sprays airflow, which pushes the corn kernels upward and to the right, causing them to suspend and move to the right; the pebbles, due to their high density, cannot suspend and slide down the front end of the plate.

[0062] Vibrating carrier: Connected to a vibrating motor 17, it vibrates at high frequency under the support of spring 14, driving the material forward.

[0063] Remove the stone box 7

[0064] Location: In the middle of the equipment, it is fixedly supported by two L-shaped support plates 2.

[0065] Material: Stainless steel or corrosion-resistant metal (suitable for corn processing environments).

[0066] Function:

[0067] Sealed cavity: accommodates core separation components such as rectangular plate 5, spring 14, and vibration motor 17, forming an independent stone removal processing space.

[0068] Interface design:

[0069] Upper surface feed box 3: Material inlet;

[0070] Front surface first rectangular groove 4: stone discharge channel;

[0071] Second rectangular groove 8 on the right: Corn discharge channel.

[0072] Second rectangular groove 8

[0073] Location: Right side wall of the stone box 7, a rectangular opening that runs through the right wall.

[0074] Structure: It fits with the right end of the inclined plate 9, allowing the inclined plate 9 to extend through.

[0075] Function:

[0076] Corn discharge port: The separated corn kernels move to the right via the inclined plate 9 and are discharged from the second rectangular trough 8 to the subsequent collection device.

[0077] Inclined plate 9

[0078] Location: Right side of rectangular plate 5, fixedly connected to the right end of rectangular plate 5, extending out of the second rectangular groove 8.

[0079] Structure: It is tilted to the lower right at a certain angle to the rectangular plate 5.

[0080] Material: Wear-resistant metal plate (same as rectangular plate 5).

[0081] Function:

[0082] Material flow guidance: It receives corn kernels moving to the right on the rectangular plate 5 and guides them to slide out of the second rectangular trough 8 along the inclined surface to avoid accumulation.

[0083] Speed ​​adjustment: The tilt angle design can control the sliding speed of corn kernels to ensure separation efficiency.

[0084] Fixed plate 10

[0085] Location: On the left and right sides of the gas supply box 11, fixedly connected to the L-shaped support plate 2.

[0086] Material: Metal plate (bolted connection).

[0087] Function:

[0088] Gas box fixing: Securely install the gas box 11 above the support base plate 1 to ensure that the airflow delivered by the fan 12 is stably introduced into the gas delivery hose 15.

[0089] Gas box 11

[0090] Location: Above the base plate 1, connected to the L-shaped support plate 2 via the fixing plate 10.

[0091] Material: Sealed metal enclosure.

[0092] Function:

[0093] Airflow convergence: Receives the air blown out by the fan 12 and distributes it evenly to the four air outlet boxes 16 through the air delivery hose 15.

[0094] Pressure equalization: The internal cavity design stabilizes the airflow pressure, preventing local pressure fluctuations from affecting the separation effect.

[0095] Fan 12

[0096] Location: On the upper surface of the support base plate 1, near the gas box 11.

[0097] Type: Centrifugal fan or axial fan (select according to air volume requirements).

[0098] Function:

[0099] Gas supply: Provides a continuous airflow, which forms an upward air cushion layer through the gas delivery system (gas delivery box 11 → gas delivery hose 15 → gas outlet box 16 → air outlet 18) to suspend corn kernels.

[0100] Adjustable air volume: It can be adjusted by frequency converter or gear to meet the needs of corn separation with different moisture content and particle size.

[0101] Rectangular mounting plate 13

[0102] Location: Inside the rear inner wall of the stone removal box 7, fixed horizontally.

[0103] Material: Metal plate (welded or bolted to the destone box 7).

[0104] Function:

[0105] Rear support: three springs 14 and auxiliary rods are fixed at the rear to provide elastic support points for the rectangular plate 5 at the rear.

[0106] Structural fixation: Install the rear end of rectangular plate 5 to ensure its stability during vibration.

[0107] Spring 14

[0108] Location: Three on the lower surface of rectangular plate 5, front and back, respectively connecting rectangular mounting plate 13 (rear side) and the inner wall of the first rectangular groove 4 (front side).

[0109] Material: High-strength spring steel.

[0110] Function:

[0111] Elastic support: In conjunction with the auxiliary rod, it forms an elastic vibration system, which buffers the impact force of the vibration motor 17 and reduces the damage to the components caused by rigid vibration.

[0112] Vibration guidance: Through the elastic deformation of the spring, the rectangular plate 5 vibrates in a preset direction (the front end tilts downward) to ensure the stability of the material movement trajectory.

[0113] Gas hose 15

[0114] Location: Below the air outlet box 16, penetrating the lower surface of the destone box 7, connecting the air outlet box 16 and the air supply box 11.

[0115] Material: High-pressure resistant rubber or plastic hose (smooth inner wall to reduce airflow resistance).

[0116] Function:

[0117] Airflow transmission: The air in the air supply box 11 is delivered to the air outlet box 16 to ensure that the airflow is evenly distributed to each air outlet 18.

[0118] Flexible connection: When the rectangular plate 5 vibrates, the air supply hose 15 swings slightly with it, avoiding pipeline breakage caused by rigid connection.

[0119] Air box 16

[0120] Location: On the lower surface of rectangular plate 5, corresponding one-to-one with air outlet 18.

[0121] Material: Metal sealed box (welded or bolted to rectangular plate 5).

[0122] Function:

[0123] Airflow distribution: The airflow received from the air supply hose 15 is sprayed upward through the air outlet 18 to form a locally uniform air cushion layer.

[0124] Structural support: fixed to the lower surface of rectangular plate 5 to enhance its structural strength and prevent deformation during vibration.

[0125] Vibration motor 17

[0126] Location: On the lower surface of rectangular plate 5, two are installed symmetrically.

[0127] Type: Eccentric block vibratory motor.

[0128] Function:

[0129] Vibration excitation: After being powered on, the eccentric block rotates to generate periodic excitation force, which drives the rectangular plate 5 to vibrate at high frequency (the vibration direction is consistent with the tilt direction of the plate), causing the material to jump forward on the plate surface.

[0130] Adjustable frequency: By adjusting the motor speed, the vibration amplitude and frequency can be changed to adapt to the separation requirements of different materials (such as particle size and density differences).

[0131] Air outlet 18

[0132] Location: On the upper surface of rectangular plate 5, there are multiple through holes tilted to the right.

[0133] Structure: Uniform aperture, consistent tilt angle (e.g., 30°–45° with respect to the horizontal plane).

[0134] Function:

[0135] Airflow path: The airflow from the outlet box 16 is ejected upward and slightly to the right, generating lift and rightward thrust on the corn kernels, causing them to suspend and move to the right; the stones, due to their high density, slide forward only under vibration, thus achieving separation.

[0136] Guiding function: The inclined angle design ensures that the direction of the airflow force is consistent with the direction of material movement, thereby improving separation efficiency.

[0137] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A destoning device for corn processing, characterized in that, include Support base plate (1), two L-shaped support plates (2) are fixedly connected to the upper surface of the support base plate (1), and a stone removal box (7) is fixedly connected to the opposite face of the two L-shaped support plates (2). A first rectangular groove (4) communicating with the interior of the stone removal box (7) is opened on the front surface of the stone removal box (7), and a second rectangular groove (8) communicating with the interior of the stone removal box (7) is opened on the right side of the stone removal box (7). Stone removal assembly, the stone removal assembly is set on the stone removal box (7), the stone removal assembly includes a rectangular mounting plate (13), the rectangular mounting plate (13) is fixedly connected to the rear inner wall inside the stone removal box (7); Among them, a rectangular plate (5) is provided on the upper surface of the rectangular mounting plate (13). The front end of the rectangular plate (5) extends out of the inner wall of the first rectangular groove (4) in a downward inclined manner. Multiple air outlets (18) are provided on the upper surface of the rectangular plate (5). All the multiple air outlets (18) are inclined to the right. Among them, multiple air outlets (18) penetrate the lower surface of the rectangular plate (5).

2. The destoning equipment for corn processing according to claim 1, characterized in that: An inclined plate (9) is fixedly connected to the right side of the rectangular plate (5). The right end of the inclined plate (9) extends out of the inner wall of the second rectangular groove (8). Six springs (14) are fixedly connected to the lower surface of the rectangular plate (5). Among them, the three springs (14) located on the rear side are all fixedly connected to the rectangular mounting plate (13); Among them, the three springs (14) located on the front side are all fixedly connected to the inner wall of the first rectangular groove (4).

3. The destoning equipment for corn processing according to claim 2, characterized in that: The inner walls of the six springs (14) are provided with auxiliary rods, and the telescopic ends of the six auxiliary rods are fixedly connected to the rectangular plate (5). The lower ends of the six auxiliary rods are fixedly connected to the inner wall of the corresponding first rectangular groove (4) and the lower surface of the rectangular mounting plate (13), respectively.

4. The destoning equipment for corn processing according to claim 1, characterized in that: Two vibration motors (17) are fixedly installed on the lower surface of the rectangular plate (5).

5. The destoning equipment for corn processing according to claim 1, characterized in that: The lower surface of the rectangular plate (5) is fixedly connected with four air outlet boxes (16), and the four air outlet boxes (16) are respectively connected to the corresponding air outlet holes (18); Among them, the lower surfaces of the four air outlet boxes (16) are all fixedly connected with air supply hoses (15) that communicate with their interiors, and the lower ends of the four air supply hoses (15) slide through the lower surface of the stone outlet box (7).

6. A destoning device for corn processing according to claim 5, characterized in that: The lower surfaces of the four gas delivery hoses (15) are fixedly connected to gas delivery boxes (11) that communicate with their interiors, and fixed plates (10) are fixedly connected to the left and right sides of the gas delivery boxes (11). Among them, the two fixed plates (10) are fixedly connected to the corresponding L-shaped support plates (2), and the upper surface of the support base plate (1) is fixedly connected to the fan (12), and the air outlet of the fan (12) is connected to the interior of the air supply box (11).

7. The destoning equipment for corn processing according to claim 1, characterized in that: The upper surface of the destone box (7) is fixedly connected to the feed box (3) which communicates with its interior, and the front surface of the destone box (7) is fixedly connected to the receiving box (6).