Impurity and stone removing machine for grain processing

By introducing a vibrating screen assembly and an adjustment assembly into a grain processing impurity removal and destoner, the problems of the inability to adjust the screen and the single impurity removal method have been solved. The screen can be adjusted according to the shape of the grain, thereby improving the impurity removal efficiency and purity.

CN224101177UActive Publication Date: 2026-04-10HELIANG (HEILONGJIANG) BIOPHARMACEUTICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing grain processing destone and impurity removal machines cannot adjust the shape and size of the screen mesh according to different grains, resulting in incomplete removal of impurities. Furthermore, the removal method is limited and cannot meet the needs of removing a variety of impurities.

Method used

A grain processing impurity and stone removal machine was designed, comprising a vibrating screen assembly and an adjustment assembly. The screen is moved by a drive motor and the size of the screen mesh is adjusted to adapt to the shape of different grains. Combined with a blower, the grains and stones are separated.

Benefits of technology

It improves the efficiency of grain sieving and the effect of impurity removal. It can adjust the mesh size of the screen according to different grains, effectively remove various impurities, and improve processing efficiency and purity.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224101177U_ABST
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Abstract

The utility model relates to the technical field of grain processing, in particular to an impurity and stone removing machine for grain processing, which comprises a machine body, a cabin door is mounted on the front side of the machine body, and a feed port for conveying grains is arranged above the machine body. According to the grain screening device, the vibration mesh screen assembly is arranged, the vibration mesh screen assembly mainly comprises the first screen arranged on the movable sliding rail in a sliding and sleeving mode, the driving motor is arranged to drive the first screen to move back and forth in a reciprocating mode, grain passing through the first screen is accelerated, and therefore the grain screening efficiency is improved; the adjusting assembly mainly comprises a second screen and a third screen which are provided with oval meshes, the second screen is fixedly installed in the machine body, the third screen is installed above the second screen in a sliding mode, a driving motor is arranged above the machine body, the driving motor adjusts the position of the third screen, and the shape and size of the meshes of the screens are adjusted according to different grains.
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Description

TECHNICAL FIELD

[0001] The utility model relates to grain processing technical field especially relates to a grain processing is with impurity and stone removing machine. BACKGROUND

[0002] Grain processing is with impurity and stone removing machine through effectively removing the impurity and stone in grain, has improved the purity and processing quality of grain, has guaranteed food safety, has promoted processing efficiency, has reduced equipment wear and tear and energy consumption.

[0003] The existing grain processing is with impurity and stone removing machine such as the announcement number for CN213644896U discloses a grain processing is with impurity and stone removing machine, and it is through setting up the box and motor, and the motor is fixedly installed on the side wall of the box, and the top of the box is connected with the feed hopper, and the top of the box is equipped with two reset mechanisms, and the box is slidably connected with multiple folded sieve plates.The existing grain processing commonly uses the shaking screen to optimize the impurity removing effect of the impurity and stone removing machine, but, under normal circumstances, the grain that needs to be treated with impurity and stone removing includes rice, wheat, corn, soybean, sorghum and other beans, etc., the existing impurity and stone removing machine cannot adjust the shape and size of the screen mesh according to the shape and size of different grains, so that the impurities in the grain cannot be removed completely, so the existing impurity and stone removing machine needs to be further optimized, and the impurities in the grain include stone, sand, soil, weed seeds, fragments and other foreign matters, and the existing device is single in the way of impurity and stone removing, and cannot meet the function of removing various impurities. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of impurity and stone removing machines for grain processing to solve the problems that the impurity and stone removing machine for grain processing in prior art cannot adjust the shape and size of screen mesh according to different grains, so that the impurities in the grain cannot be removed completely, and the existing device is single in the way of impurity and stone removing, and cannot meet the function of removing various impurities.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] An impurity and stone removing machine for grain processing, including body, the body front side is equipped with hatch, the body upper position is equipped with the feed inlet for conveying grain, the body upper position is fixedly installed with driving motor;The body inside upper position is installed with movable slide rail, the movable slide rail is movably equipped with first screen mesh, the first screen mesh lower side is equipped with the vibration screen assembly for removing stone, the body inside middle end position is fixedly installed with second screen mesh, the second screen mesh upper side is movably installed with third screen mesh, the third screen mesh is installed with the adjusting assembly of adjusting screen mesh mesh diameter, the body inside lower position is equipped with the discharge cavity of impurity and stone removing and discharging grain.

[0007] Preferably, the top end of the machine body is fixedly provided with a screening plate for conveying grains to the vibrating screen assembly.

[0008] Preferably, the vibrating screen assembly comprises a fixed block fixedly arranged at the bottom of the first screen, a driving motor fixedly arranged above the inner wall of the machine body, a rotating shaft fixedly arranged at the output end of the driving motor, a limiting block fixedly arranged above the inner wall of the machine body, a pushing round rod movably sleeved on the limiting block, a fixed block fixedly and penetratingly connected with the rear end of the pushing round rod, a connecting block fixedly sleeved on the pushing round rod, and a linkage rod pivotally connected between the connecting block and the rotating shaft.

[0009] Preferably, the adjusting assembly comprises a limiting piece fixedly arranged on the third screen, an active motor, a swing rod fixedly arranged at the output end of the active motor, a rectangular rod pivotally connected to the bottom end of the swing rod, and the limiting piece and the rectangular rod movably sleeved in the vertical direction.

[0010] Preferably, the second screen and the third screen are both provided with elliptical mesh holes.

[0011] Preferably, the discharging cavity comprises a grain discharging funnel arranged at the lower position in the machine body, a storage tank arranged at the bottom of the machine body and used for storing the purified grains, an air outlet arranged at the rear inner side of the machine body and used for arranging a blower, and a stone discharging opening arranged at the bottom of the machine body and corresponding to the grain discharging funnel.

[0012] Compared with the prior art, the present utility model has the following advantages:

[0013] 1. The vibrating screen assembly is arranged, and the vibrating screen assembly mainly comprises a first screen slidably sleeved on the movable slide rail, the driving motor is arranged to drive the first screen to reciprocate along the front-rear direction, the first screen is shaken to accelerate the grains to pass through the first screen, and thus the screening efficiency of the grains is improved.

[0014] 2. The adjusting assembly is arranged, and the adjusting assembly mainly comprises a second screen and a third screen provided with elliptical mesh holes, the second screen is fixedly arranged in the machine body, the third screen is slidably arranged above the second screen, an active motor is arranged above the machine body, the position of the third screen is adjusted by the active motor, the shape and size of the mesh holes of the screen are adjusted according to different grains, and the efficiency of grain processing and impurity removal is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of the grain processing impurity and stone removing machine is provided.

[0016] Figure 2The utility model provides a left side sectional view of grain processing removes impurity and stone machine,

[0017] Figure 3 The utility model provides a partial adjusting assembly structure schematic view of grain processing removes impurity and stone machine, Figure 2 The utility model provides a left side sectional view of grain processing removes impurity and stone machine,

[0018] Figure 4 The utility model provides a partial adjusting assembly structure schematic view of grain processing removes impurity and stone machine,

[0019] Figure 5 The utility model provides a left side sectional view of grain processing removes impurity and stone machine,

[0020] Figure 6 The utility model provides a left side sectional view of grain processing removes impurity and stone machine.

[0021] In the figure: 1, machine body;2, hatch;3, feed inlet;4, driving motor;401, swing rod piece;402, rectangular rod piece;5, sieve plate piece;6, movable slide rail;7, first screen;8, driving motor;801, fixed block;802, rotating shaft;803, limit block;804, push round bar;805, connecting block;806, linkage rod piece;9, second screen;10, third screen;1001, limiting piece;11, grain discharge hopper;12, air outlet;13, stone outlet;14, storage tank. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Referring to Figures 1-6 A grain processing removes impurity and stone machine, including machine body 1, the front side of machine body 1 is installed with hatch 2, the upper position of machine body 1 is set up with the feed inlet 3 for conveying grain, the upper position of machine body 1 is fixedly installed with driving motor 4, the inside top of machine body 1 is fixedly installed with sieve plate piece 5 towards the vibration net sieve assembly conveying grain, so that grain is scattered and falls to the first screen 7, accelerates the grain screening, the lower position of machine body 1 is set up with the discharge cavity of removing impurity and discharging grain.

[0024] The upper position inside the body 1 is provided with a movable sliding rail 6, and the movable sliding rail 6 movably sheaths a first screen 7. A vibrating screen assembly for removing gravel is arranged below the first screen 7. The vibrating screen assembly comprises a fixed block 801 fixedly arranged at the bottom of the first screen 7. A driving motor 8 is fixedly arranged on the upper inner wall of the body 1. A rotating shaft 802 is fixedly arranged at the output end of the driving motor 8. A limiting block 803 is also fixedly arranged on the upper inner wall of the body 1. A pushing round rod 804 is movably arranged on the limiting block 803. The rear end of the pushing round rod 804 is fixedly and penetratingly connected with the fixed block 801. A connecting block 805 is fixedly sheathed on the pushing round rod 804. A linkage rod 806 is connected between the connecting block 805 and the rotating shaft 802 through a pin shaft. When the driving motor 8 is started, the output end of the driving motor 8 drives the rotating shaft 802 to rotate. One end of the rotating shaft 802 pulls the linkage rod 806 to push the connecting block 805 to move back and forth along the front and rear direction, so that the first screen 7 shakes back and forth along the front and rear direction, and the screening of the grain is accelerated.

[0025] A second screen 9 is fixedly arranged at the middle position inside the body 1. A third screen 10 is movably arranged above the second screen 9. Elliptical mesh holes are arranged on the second screen 9 and the third screen 10. An adjusting assembly for adjusting the mesh hole diameter of the screen is arranged on the third screen 10. The adjusting assembly comprises a limiting piece 1001 fixedly arranged on the third screen 10. The limiting piece 1001 passes through a movable hole 15, so that the limiting piece 1001 moves back and forth along the movable hole 15. The movable hole 15 is arranged on the inner wall of the body 1 corresponding to the position of the third screen 10. The output end of the driving motor 4 is fixedly provided with a swing rod 401. The bottom end of the swing rod 401 is connected with a rectangular rod 402 through a pin shaft, so that the swing rod 401 pulls the rectangular rod 402 to move. The rectangular rod 402 and the limiting piece 1001 are movably sheathed in the vertical direction, so that the rectangular rod 402 moves in the vertical direction along the hole of the limiting piece 1001.

[0026] The discharge cavity comprises a grain discharge funnel 11 arranged at the lower position inside the body 1. A storage tank 14 for storing the purified grain is arranged at the bottom of the body 1. The bottom of the storage tank 14 is provided with a grain outlet. An air outlet 12 for arranging a blower is arranged inside the rear side of the body 1. A stone outlet 13 is arranged at the position of the grain discharge funnel 11 at the bottom of the body 1. When the blower is started, the grain flowing out of the grain discharge funnel 11 is blown into the storage tank 14 under the action of the wind, and then flows out of the grain outlet. The stones in the grain and the grain have similar volumes, but the density of the stones is greater than that of the grain. Under the action of gravity, the stones fall into the stone outlet 13.

[0027] It should be noted that the specific type and specification of the driving motor 4 and the driving motor 8 need to be selected and determined according to the actual specification of the device. The specific selection and calculation method adopts the existing technology in the art, and thus is not described in detail.

[0028] The utility model can be described as follows:

[0029] First, open the hatch 2, clean the debris inside the machine body 1, and then start the motor 4, adjust the size of the mesh of the adjusting assembly, until the size of the mesh meets the shape and size of the grain to be processed, stop the motor 4, then close the hatch 2.

[0030] Second, install the blower on the air outlet 12 and start the blower, then pour the grain to be processed into the machine body 1 from the feed inlet 3, then start the drive motor 8 to drive the first screen 7 to move back and forth.

[0031] Third, after processing, the grain will enter the grain storage bag from the bottom of the storage tank 14, and the stones to be processed will be at the bottom of the stone outlet 13, open the hatch 2, and clean the debris inside the machine body 1.

[0032] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered within the protection scope of the utility model.

Claims

1. A kind of impurity and stone removing machine for grain processing, including machine body (1), it is characterized by, The body (1) is provided with a hatch (2) on the front side, and a feeding port (3) for conveying grain is formed on the upper position of the body (1), and a driving motor (4) is fixedly installed on the upper position of the body (1); An active sliding rail (6) is installed on the upper position inside the body (1), a first screen (7) is movably sleeved on the active sliding rail (6), a vibrating screen assembly for removing stones is arranged below the first screen (7), a second screen (9) is fixedly installed on the middle end position inside the body (1), a third screen (10) is movably installed above the second screen (9), an adjusting assembly for adjusting the mesh size of the screen is installed on the third screen (10), and a discharging cavity for discharging impurities and grain is formed on the lower position inside the body (1).

2. The impurity and stone removing machine for grain processing according to claim 1, characterized in that, A screening plate (5) for conveying grain to the vibrating screen assembly is fixedly installed on the top end inside the body (1).

3. The impurity and stone removing machine for grain processing according to claim 2, characterized in that, The vibrating screen assembly comprises a fixed block (801) fixedly arranged at the bottom of the first screen (7), a driving motor (8) is fixedly installed on the upper position of the inner wall of the body (1), a rotating shaft (802) is fixedly installed on the output end of the driving motor (8), a limiting block (803) is also fixedly installed on the upper position of the inner wall of the body (1), a pushing round rod (804) is movably sleeved on the limiting block (803), the pushing round rod (804) is fixedly and penetratingly connected with the fixed block (801) at the rear end, a connecting block (805) is fixedly sleeved on the pushing round rod (804), and a linkage rod (806) is connected between the connecting block (805) and the rotating shaft (802) through a pin shaft.

4. The impurity and stone removing machine for grain processing according to claim 3, characterized in that, The adjusting assembly comprises a limiting piece (1001) fixedly installed on the third screen (10), an active hole (15) is formed on the position of the inner wall of the body (1) corresponding to the third screen (10), an oscillating rod (401) is fixedly installed on the output end of the driving motor (4), a rectangular rod (402) is connected to the bottom end of the oscillating rod (401) through a pin shaft, and the rectangular rod (402) and the limiting piece (1001) are movably sleeved in the vertical direction.

5. The impurity and stone removing machine for grain processing according to claim 4, characterized in that, Elliptical mesh holes are formed on the second screen (9) and the third screen (10).

6. The impurity and stone removing machine for grain processing according to claim 5, characterized in that, The discharging cavity comprises a grain discharging funnel (11) installed on the lower position inside the body (1), a storage tank (14) for storing purified grain is installed on the bottom of the body (1), an air outlet (12) for installing a blower is formed on the inner rear side of the body (1), and a stone discharging port (13) is formed on the bottom of the body (1) corresponding to the grain discharging funnel (11).

7. The impurity and stone removing machine for grain processing according to claim 6, characterized in that, The bottom of the storage tank (14) is provided with a grain discharging port.

Citation Information

Patent Citations

  • Impurity and stone removing machine for grain processing

    CN213644896U