Dry-type intelligent sorting bin and dry-type intelligent sorting system

Abstract

The invention discloses a dry type intelligent sorting bin and a dry type intelligent sorting system, and relates to the technical field of grain sorting. The dry-type intelligent sorting bin comprises a vibration frame, a vibration source providing power for the vibration frame and a vibration sorting bin used for sorting materials, the vibration source is connected to the vibration frame, the vibration frame is elastically connected with the vibration sorting bin, a first discharging opening is formed in the upper end of the vibration sorting bin, and a second discharging opening is formed in the middle of the vibration sorting bin. A dry type sorting method is adopted, impurity removal treatment is mainly conducted on grain side-by-side stones, the exciting force intensity of the sorting bin is increased through a double-proton vibration system, the gravity of materials is mainly used for assisting particle size distinguishing, the materials are divided into an upper grain layer and a lower impurity layer in vertical vibration of the vibration sorting bin, and the upper grain layer and the lower impurity layer are discharged in a split-flow mode. Compared with a wet grain cleaning method, the dry grain cleaning method is low in cost and higher in process adaptability.

Description

Technical Field

[0001] The present invention relates to the technical field of grain sorting, and in particular to a dry intelligent sorting bin and a dry intelligent sorting system. Background Art

[0002] Grain processing is a very important front-end industry in the fields of food industry, breeding industry, chemical industry, etc. During the processing, various impurities such as sand, gravel, rubble, thin materials (such as straw, branches, etc.), metal products (such as nails, short wires, nuts, bolts, etc.) mixed in the grain can easily cause blockage, wear and other damage to the processing system equipment, and then stop production and cause great economic losses to the enterprise. At present, most of the grain cleaning equipment on the market removes thin materials and large pieces of grain by screening, or by means of wind power, hydraulic jigging and other methods. The wet processing process is limited, and there is a situation of drying and reprocessing after wet sorting, which further increases the processing cost; and it is difficult to remove the "shoulder stone" with a similar particle size to the grain by dry method, so there is an urgent need for a dry sorting equipment that can effectively remove the "shoulder stone" impurities in the grain. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a dry intelligent sorting bin and a dry intelligent sorting system, which can separate and remove impurities such as sand, gravel, wood blocks, iron wire, etc. from grain and stone by a dry method to achieve the purpose of grain washing.

[0004] In the first aspect, the present invention provides a dry intelligent sorting bin, comprising a vibration frame, a vibration source for providing power to the vibration frame, and a vibration sorting bin for sorting materials, wherein the vibration source is connected to the vibration frame, the vibration frame is elastically connected to the vibration sorting bin, a first discharge port is arranged at the upper end of the vibration sorting bin, and a second discharge port is arranged at the middle of the vibration sorting bin.

[0005] The vibration sorting bin vibrates driven by the vibration source, so that the material in the bin moves with the bin body. Under the influence of its own gravity, the heavy impurities move downward and the light grains move upward, eventually forming stratification. The stratification boundary is located between the first discharge port and the second discharge port. Driven by the vibration source, the material moves horizontally while stratifying, that is, it moves from the feed port end to the discharge port end. The impurity-free grain is discharged from the first discharge port, and the impurities are discharged from the second discharge port, thereby achieving the purpose of dry grain purification.

[0006] Furthermore, the vibration source is a vibration motor.

[0007] Furthermore, it also includes a vibration-damping spring, and the lower end of the vibration frame is installed on the foundation through the vibration-damping spring; the upper end of the vibration frame is connected with a shear spring, and the shear spring is also connected to the bin body of the vibration sorting bin to form a dual-proton vibration system.

[0008] Furthermore, the vibration sorting bin is a ship-shaped structure, with a feed port at one end and two discharge ports arranged up and down at the other end, wherein a fixed baffle is provided between the first discharge port and the second discharge port, and the fixed baffle isolates the first discharge port from the second discharge port.

[0009] Furthermore, a movable adjustment baffle is provided in the vibration sorting bin, and the adjustment baffle slides up and down along the vibration sorting bin to achieve adjustable height position of the lower end of the adjustment baffle.

[0010] In the second aspect, the present invention provides a dry intelligent sorting system, including a primary screening structure and a secondary screening structure, the primary screening structure includes a vibrating screen, a conveyor belt for screened material receiving the upper outlet of the vibrating screen, and a conveyor belt for screened material receiving the lower outlet of the vibrating screen, and the end of the conveyor belt for screened material is located above the secondary screening structure; the secondary screening structure includes the above-mentioned dry intelligent sorting bin, a grain conveyor belt and an impurity conveyor belt, the lower conveyor belt conveys the screened material of the primary screening to the feed port of the dry intelligent sorting bin, the grain conveyor belt is received below the first discharge port of the dry intelligent sorting bin, and the impurity conveyor belt is received below the second discharge port of the dry intelligent sorting bin.

[0011] The unprocessed grain is screened twice, initially and again, to ensure the grain impurity removal effect. In particular, the double screening structure is used to perform dry grading on the shoulder stones to separate light grain from heavy impurities, thus achieving the purpose of grain purification.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention adopts a dry sorting method, mainly for removing impurities from grain and stones, uses a dual proton vibration system to increase the exciting force strength of the sorting bin, mainly uses the material's own gravity to assist in particle size differentiation, and divides the material into an upper grain layer and a lower impurity layer during the up and down vibration of the vibration sorting bin, and discharges them in separate streams, thus achieving the purpose of dry grain purification. Compared with wet grain purification, the cost is low and the process adaptability is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the structure of a dry intelligent sorting bin provided in an embodiment of the present invention; Figure 2 A schematic diagram of the side structure of a dry intelligent sorting bin provided in an embodiment of the present invention; Figure 3 A cross-sectional view of a dry intelligent sorting bin provided in an embodiment of the present invention; Figure 4 A partial cross-sectional view of an adjustment baffle provided in an embodiment of the present invention; Figure 5 A side view of a dry intelligent sorting system provided by an embodiment of the present invention; Figure 6 A top view of a dry intelligent sorting system provided by an embodiment of the present invention; Figure 7 A diagram of a layered interface of a vibration sorting bin provided in an embodiment of the present invention; The markings in the figure are: 1. Vibration frame; 2. Vibration sorting bin; 201. Vertical long hole; 3. Vibration source; 4. First discharge port; 5. Second discharge port; 6. Damping spring; 7. Shear spring; 8. Horizontal plate; 9. Inclined plate; 10. Adjustment baffle; 11. Vibrating screen; 12. Oversize conveyor belt; 13. Undersize conveyor belt; 14. Grain conveyor belt; 15. Impurity conveyor belt; 101. Screw; 102. Leak-proof side baffle. DETAILED DESCRIPTION

[0014] In order to fully understand the purpose, features and effects of the present invention, the present invention is described in detail through the following specific implementation methods, but the present invention is not limited thereto.

[0015] like Figure 1 As shown, a dry intelligent sorting bin provided by the present invention comprises a vibration frame 1, a vibration sorting bin 2 and a vibration source 3, wherein the vibration source 3 is mounted on the vibration frame 1, the upper end of the vibration frame 1 is elastically connected to the vibration sorting bin 2, the bottom surface of the vibration sorting bin 2 is a concave surface, a feed port is arranged at one end, and a discharge port is arranged at the other end, and the discharge port is divided into a first discharge port 4 and a second discharge port 5, the first discharge port 4 is located above the second discharge port 5 for discharging grain, and the second discharge port 5 is used for discharging impurities, such as sand and gravel. The vibration source 3 is started, driving the vibration frame 1 to vibrate, and then driving the vibration sorting bin 2 to vibrate, the material entering the vibration sorting bin 2 from the feed port moves up and down in the vibration sorting bin 2, the heavy impurities move downward, and the light grain moves upward, forming an upper grain layer and a lower impurity layer, and finally the grain is discharged from the first discharge port 4, and the heavy impurities are discharged from the second discharge port 5.

[0016] Preferably, the vibration source 3 is a vibration motor.

[0017] like Figure 2 and Figure 3 As shown, in some preferred embodiments, a vibration-damping spring 6 and a shear spring 7 are also included, the lower end of the vibration frame 1 is fixedly connected to the upper end of the vibration-damping spring 6, and the lower end of the vibration-damping spring 6 is connected to a ground foundation or a plate foundation; the upper end of the vibration frame 1 is connected to one end of the shear spring 7, and the other end of the shear spring 7 is connected to the outer wall of the vibration sorting bin 2, forming a dual-proton vibration system.

[0018] In some preferred implementations, the vibration sorting bin is a ship-shaped structure, and a baffle is fixed on the inner wall of the vibration sorting bin 2 between the first discharge port 4 and the second discharge port 5, which isolates the first discharge port 4 and the second discharge port 5 in space and discharges the materials by diversion. The baffle is divided into a fixed baffle and an adjustable baffle 10. The fixed baffle is welded by a horizontal plate 8 and an inclined plate 9. The horizontal plate 8 of the fixed baffle is fixed near the first discharge port 4, and the inclined plate 9 is suspended on the upper part of the vibration sorting bin 2. The function of the inclined plate 9 is to prevent impurities from being mixed in the grain and discharged from the first discharge port 4. The material that reaches the inclined plate 9 will slide down continuously, causing the mixed impurities to fall into the sand and gravel layer again. The upper end of the adjustable baffle 10 abuts against the inclined plate 9. When the adjustable baffle 10 is in the lowest position, the upper end of the adjustable baffle 10 still abuts against the inclined plate 9, ensuring that there is no gap between the inclined plate 9 and the adjustable baffle 10 for the material to pass through. Both sides of the adjusting baffle 10 are respectively slidably connected to the side walls of the vibration sorting bin 2, and the height position of the adjusting baffle is changed to adjust the thickness of the material layer and control the sorting efficiency.

[0019] Preferably, Figure 4 As shown, the side wall of the vibration sorting bin 2 is provided with a vertical long hole 201, and the two side surfaces of the lower end of the adjusting baffle 10 are respectively fixed with symmetrically arranged screws 101, and the two screws 101 are respectively inserted into the vertical long holes 201 on the respective sides, and the exposed ends of the screws 101 are fastened by bolts to fix the screws 101 and the adjusting baffle 10 at a certain height position. The lower ends of the two side surfaces of the adjusting baffle 10 are respectively extended with fixedly connected leakproof side baffles 102, and the length of the leakproof side baffles 102 is greater than the length of the vertical long hole 201, and the width of the leakproof side baffles 102 is greater than the width of the vertical long hole 201. When the adjusting baffle 10 is lifted up along the vertical long hole 201, the leakproof side baffles 102 block the vertical long hole 201 below the screws 101 to prevent material leakage.

[0020] like Figure 5 and Figure 6 As shown, the present invention also provides a dry intelligent sorting system, including a primary screening structure and a secondary screening structure, wherein the primary screening structure includes a vibrating screen 11, an overscreen conveyor belt 12 and an underscreen conveyor belt 13, an overscreen receiving trough is arranged on the upper layer of the vibrating screen 11, and an overscreen conveyor belt 12 for conveying large-size impurities is provided below the outlet of the overscreen receiving trough; an underscreen receiving trough is arranged on the lower layer of the vibrating screen 11, and an underscreen conveyor belt 13 for conveying grain and impurities with smaller particle sizes is provided below the outlet of the underscreen receiving trough. The underscreen conveyor belt 13 conveys the primary screened material to the vibrating sorting bin 2 for secondary screening.

[0021] The multiple screening structure includes the dry intelligent sorting bin, the grain conveyor belt 14 and the impurity conveyor belt 15 of any of the aforementioned embodiments. The first discharge port of the vibration sorting bin 2 is aligned with the grain conveyor belt 14, and the impurity conveyor belt 15 is located below the second discharge port.

[0022] Working process: Grains mixed with impurities (such as rice, grains, beans, etc.) are conveyed to the vibrating screen 11 for primary screening. During the primary screening, large particles of impurities remain on the screen, slide into the material receiving trough on the screen, and are transported out through the screen conveyor belt 12. Grains and small particles of impurities fall under the screen and are collected in the material receiving trough under the screen, and are transported to the vibration sorting bin 2 through the screen conveyor belt 13. The vibration sorting bin 2 vibrates under the action of the vibration motor, driving the material in the bin to move up and down. Impurities with heavy mass and small particle size gradually gather in the lower part of the vibration sorting bin 2 to form a sand and gravel layer; light mass, uniform particle size and large grain gather in the upper part of the vibration sorting bin 2 to form a grain layer, such as Figure 7 As shown. The upper material of the sand and gravel layer is blocked by the adjusting baffle 10, and the layer where the inclined plate 9 above the adjusting baffle 10 is located is the grain layer. Under the action of vibration, the grain layer moves along the inclined plate 9 to the first discharge port 4, and is finally discharged from the first discharge port 4 and falls into the grain conveyor belt 14. Due to the action of the inclined plate 9, even if the impurities are carried upward by the grain, they will slide down along the inclined plate 9 at the inclined plate 9 and fall into the sand and gravel layer again. The sand and gravel layer moves from the bottom of the adjusting baffle 10 to the second discharge port 5 for discharge, and falls into the impurity conveyor belt 15, completing the dry grain sorting operation.

[0023] Finally, it should be noted that the above are only preferred embodiments of the present invention. Of course, those skilled in the art can make changes and modifications to the present invention. If these modifications and variations fall within the scope of the claims of the present invention and their equivalent technologies, they should be considered to be within the scope of protection of the present invention.

Claims

1. A dry intelligent sorting bin, characterized in that: It includes a vibration frame, a vibration source providing power for the vibration frame and a vibration sorting bin for sorting materials, the vibration source is connected to the vibration frame, the vibration frame is elastically connected to the vibration sorting bin, a first discharge port is arranged at the upper end of the vibration sorting bin, and a second discharge port is arranged in the middle of the vibration sorting bin.

2. The dry intelligent sorting bin according to claim 1 is characterized in that: The vibration source is a vibration motor.

3. The dry intelligent sorting bin according to claim 1 is characterized in that: It also includes a vibration-damping spring, through which the lower end of the vibration frame is installed on the foundation; the upper end of the vibration frame is connected with a shear spring, which is also connected to the bin body of the vibration sorting bin to form a dual-proton vibration system.

4. The dry intelligent sorting bin according to claim 1, characterized in that: A baffle is provided between the first discharge port and the second discharge port, and the baffle separates the first discharge port and the second discharge port in space.

5. The dry intelligent sorting bin according to claim 1, characterized in that: The baffle is divided into a fixed baffle and an adjustable baffle. The fixed baffle is used for diversion and discharge. The adjustable baffle is movably connected to the vibration sorting bin. The adjustable baffle slides up and down along the vibration sorting bin to achieve adjustable height position of the lower end of the adjustable baffle, which is used to control the thickness of the material layer.

6. A dry intelligent sorting system, characterized in that: It includes a primary screening structure and a secondary screening structure. The primary screening structure includes a vibrating screen, an overscreen conveyor belt receiving an upper outlet of the vibrating screen, and an underscreen conveyor belt receiving an underscreen outlet of the vibrating screen. The end of the underscreen conveyor belt is located above the secondary screening structure. The multiple screening structure comprises the dry intelligent sorting bin, the grain conveyor belt and the impurity conveyor belt as described in any one of claims 1 to 5. The under-screen conveyor belt conveys the material under the primary screening to the feed port of the dry intelligent sorting bin. The grain conveyor belt is connected below the first discharge port of the dry intelligent sorting bin, and the impurity conveyor belt is connected below the second discharge port of the dry intelligent sorting bin.

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