KR20230045955A - Apparatus for seperating dust from crops - Google Patents

Abstract

The present invention discloses an apparatus for separating foreign substances from crops, which is configured by assembling a plurality of nozzles at a certain width on a plate-shaped member that moves horizontally in reciprocating motion by a crankshaft, and accordingly, efficiently removes the foreign substances stuck on the crops transported in a pressed state by upper and lower conveyors, reduces the compressor capacity while reducing the number of nozzles compared to pre-registered patents, and miniaturizes the overall size of the foreign substances from the crops.

Description

Crop foreign matter separator {Apparatus for separating dust from crops}

The present invention relates to a technology for separating foreign substances from crops (eg, chives, green onions, etc.), and more particularly, various foreign substances (eg, soil lumps, etc.) on crops can be easily removed using a small high-pressure separator. It relates to a crop foreign matter separator that allows.

In general, thanks to the rapid development of modern agricultural technology, it is possible to grow vegetables throughout the year regardless of external climatic conditions, and the shipment volume is large, but the shipment work is carried out manually, which not only increases the shipping cost, As the freshness of the product is reduced, the marketability is reduced.

In particular, vegetables such as green onions, which are rich in inorganic salts such as calcium and phosphorus, as well as vitamins A and C, are added to various dishes such as stews, soups, and stir-fried dishes to influence the taste of food. It has to be removed and peeled, and this peeling work was done manually or using high-pressure water.

However, the high-pressure water as described above has a problem in that foreign substances are not separated or the outer skin is not properly peeled off.

In other words, chives and chives collected from farmland are harvested with tough outer skins and foreign substances such as soil. Since the cook has to manually remove the back of the chives, consumers prefer chives with the skins and foreign substances removed, so farmhouses and food companies invest a lot of labor and time in removing soil, foreign substances and skins from chives and chives. are doing

However, in spite of these efforts, productivity has not improved significantly.

In order to solve this problem, the present inventors have proposed Patent Registration No. 10-1031756 and Patent Registration No. 10-1495998 for removing foreign substances using a compressed air blowing device.

This was to perform the function of automatically peeling the skin at the same time as removing foreign substances from the surface of crops such as green onions using compressed air sprayed through a plurality of densely installed nozzle groups.

However, the prior registered patent as described above is composed of a plate shape by assembling several nozzles, which is a form in which the nozzle installed toward the root of the agricultural product to be transported is supported in a fixed position or a form in which a large number of nozzles are rotated. is densely installed, and accordingly, the size of the peeling device increases, and there is a problem in that the capacity of the compressor is excessively increased for spraying compressed air through the nozzle.

Patent Registration No. 10-1031756 discloses that a plurality of densely arranged nozzle assemblies are installed in a fixed position in multi-stage steps, so a large-capacity compressor is required, and the problem of increasing production cost has been pointed out, Patent Registration No. 10-1495998 is configured so that the nozzle rotates at each installation position, which also requires a large-capacity compressor, and at the same time, the hinge part of the nozzle rotating device is easily worn, causing frequent breakdowns. it was doing

Registered Patent Publication No. 10-1031756 (Announcement date 2011.04.29.) Registered Patent Publication No. 10-1495998 (Public date 2015.02.26.) Registered Patent Publication No. 10-0954634 (Announcement date 2010.04.27.) Registered Utility Model Publication No. 20-0150125 (Announcement Date 1999.07.01.)

The problem to be solved by the present invention is to configure a small number of nozzles installed to be spaced apart by a certain width on a plate-like member that is horizontally reciprocated by a crankshaft to continuously reciprocate left and right and spray air, so that the state of being pressed by an up and down conveyor It is intended to provide a crop foreign matter separator that can quickly and effectively remove foreign matter attached to crops to be transported.

Another object of the present invention is to provide an economical crop foreign matter separator capable of greatly reducing manufacturing costs together with miniaturization of the device by significantly lowering the capacity of the air compressor by minimizing the number of installed nozzles.

A crop foreign matter separator, which is a means for solving the problems of the present invention, includes a base; a transfer unit disposed on the base and transporting while pressing the body of the crop; And, a foreign matter removal unit disposed in the transfer unit, spraying compressed air to the exposed root portion of the crop while horizontally reciprocating to remove foreign matter from the root portion of the crop transported by the transfer unit; including,

The foreign matter removal unit, to be fixed to the base, a fixing plate having a first guide member formed on one surface; a second guide member coupled to the first guide member of the fixing plate is installed on a surface facing the fixing plate to reciprocate in a horizontal direction within a predetermined distance while maintaining parallel to the fixing plate; A rotating plate fixed to one side of the fixed plate and connected to the motor driving shaft; a crankshaft having one end eccentrically connected to the rotating plate and the other end connected to the moving plate, and reciprocating the moving plate in a horizontal direction when the rotating plate rotates; And, a plurality of nozzle units assembled and arranged to maintain a constant width on the moving plate, and spraying high-pressure compressed air for removing foreign substances to the crops being transported while being pressed by the upper conveyor and the lower conveyor; is to include

Preferably, the first guide member is a linear rail and the second guide member is a linear block, or the first guide member is a linear block and the second guide member is a linear rail structure.

In addition, the transfer unit includes an upper conveyor that is transferred by a pair of upper rollers facing each other which rotates according to the drive of the driving unit; And, a lower conveyor installed adjacent to the lower end of the upper conveyor and transported by a pair of facing lower rollers rotating according to the drive of the driving unit; Including, while the body of the crop is disposed between the upper conveyor and the lower conveyor and pressed, the root of the crop is exposed to the outside of the conveyor.

In addition, between the upper roller or the lower roller forming a pair of facing, an elastic roller for pressing the upper conveyor or the lower conveyor while rotating when the upper conveyor or the lower conveyor is deformed is disposed at a predetermined interval. , A bracket is installed on the base, at least one or an interruption part of one or more pivoting rods is hinged to the bracket, and the upper end of the pivoting rod and the bracket are interconnected by an elastic spring, and the elastic roller is the pivoting rod At one end, this axis is coupled.

In addition, an alignment groove is formed at the center of the elastic roller, and an alignment protrusion seated in the alignment groove protrudes from the center of the inner surface of the upper conveyor or the lower conveyor to prevent the conveyor from moving left and right.

In addition, a pair of concave-convex portions (凹凸) are formed on the outer surface of the lower conveyor while being disposed at regular intervals along the lengthwise direction to support the roots of the crops to be maintained in a front-and-back straight shape.

In addition, the foreign matter removal unit includes a first removal unit disposed at the inner end of the upper conveyor to inject high-pressure compressed air downward, and a first removal unit disposed at the inner end of the lower conveyor to eject high-pressure compressed air upward. It includes a second removal unit for spraying.

The foreign matter removal unit is disposed at the inner end of the upper conveyor and ejects high-pressure compressed air downward, and the first removal unit is disposed at the inner end of the lower conveyor and ejects high-pressure compressed air upward. In the case of including 2 removal units, one end of the crankshaft eccentrically connected to the rotating plate is installed so that the first removal unit and the second removal unit are located at different top dead centers or bottom dead centers, so that the impact force due to vibration can be offset. to configure it so that

In addition, the nozzle unit is coupled to the moving plate, the tube body connected to the compressor and the hose; And, while being coupled to one end of the tubular body spraying a high-pressure compressed air nozzle; is to include

In addition, the driving of the driving unit for moving the upper and lower conveyors and the motor driving shaft for reciprocating the moving plate are configured to be controlled by a control unit, wherein the control unit removes foreign substances from agricultural products having different degrees of contamination. A program for controlling the same or different driving amounts of the driving unit and the motor so that the moving speed of the conveyor and the reciprocating speed of the moving plate are the same or different.

As described above, the present invention is configured by assembling a plurality of nozzles with a certain width on a plate-shaped member that moves horizontally and reciprocally by a crankshaft, and through this, efficiently removes foreign substances from crops transported in a state of being pressed by an up and down conveyor, It is possible to expect the effect of miniaturizing the overall size of the crop foreign matter separator as well as reducing the number of nozzles compared to the prior registered patent and reducing the capacity of the compressor due to this.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view showing the structure of a crop foreign matter separator according to an embodiment of the present invention.
Figure 2 is a side view showing the structure of a crop foreign matter separator in one embodiment of the present invention.
3 is an enlarged perspective view showing structures of first and second removal units respectively disposed at inner ends of upper and lower conveyors according to an embodiment of the present invention;
Figure 4 is a front schematic view of Figure 3 in one embodiment of the present invention.
5 is a characteristic three-dimensional view of first and second removal units disposed at each inner end with upper and lower conveyors as a boundary according to an embodiment of the present invention.
6 is a plan schematic view of a second control unit disposed at an inner end of a lower conveyor as viewed from an upper direction according to an embodiment of the present invention.
7 is an enlarged perspective view showing structures of first and second removal units respectively disposed at inner ends of upper and lower conveyors according to another embodiment of the present invention;
Figure 8 is a front schematic view of Figure 7 in another embodiment of the present invention;
9 is an enlarged perspective view of a second control unit disposed at an inner end of a lower conveyor as viewed from a lower direction according to another embodiment of the present invention;

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a perspective view showing the structure of a crop foreign matter separator according to an embodiment of the present invention, Figure 2 is a side view showing the structure of a crop foreign matter separator according to an embodiment of the present invention, Figure 3 is an upper and lower portion according to an embodiment of the present invention It is an enlarged perspective view showing the structure of the first and second removal units respectively disposed at the inner end of the conveyor.

4 is a front schematic view of FIG. 3 as an embodiment of the present invention, and FIG. 5 is a characteristic three-dimensional view of the first and second removal units disposed at each inner end with the upper and lower conveyors as a boundary as an embodiment of the present invention. 6 is a schematic plan view of the second control unit disposed at the inner end of the lower conveyor as viewed from the upper direction according to an embodiment of the present invention.

1 to 6, the crop foreign matter remover according to the embodiment of the present invention is configured in the base 10, and includes a transfer unit 20 and foreign matter removal units 30 and 30' will be.

The transfer unit 20 transfers crops (e.g., green onion, green onion, etc.) while pressing the body, is disposed on the upper surface of the base 10, and includes an upper conveyor 21 and a lower conveyor 22, an elastic roller ( 23) are included.

The upper conveyor 21 is transported by a pair of facing upper rollers 21a that rotate according to the driving of a driving unit (not shown).

The lower conveyor 22 is installed adjacent to the lower end of the upper conveyor 21 and is transported by a pair of facing lower rollers 22a rotating according to the driving of a driving unit (not shown).

Therefore, while the body of the crop is aligned and pressed between the upper conveyor 21 and the lower conveyor 22, the roots of the crop can be exposed to the outside of the upper and lower conveyors 21 and 22 will be.

The elastic roller 23 is disposed at a predetermined interval between the upper roller 21a and/or the lower roller 22a forming a pair facing each other, which is the upper conveyor 21 and/or the When the lower conveyor 22 is deformed, it rotates and presses the upper conveyor 21 and/or the lower conveyor 22 so that the tension of the upper and/or lower conveyors 21 and 22 can be adjusted.

Here, a bracket 24 is installed on the base 10, the bracket 24 is hinged with at least one or more intermediate parts of one or more pivoting rods 25, and the upper end of the pivoting rod 25 and the bracket 24 is interconnected by an elastic spring 26, and one end of the elastic roller 23 can be axially coupled to the rotation rod 25.

Meanwhile, an alignment groove 27 may be formed at the center of the elastic roller 23, and the alignment groove 27 is seated at the inner center of the upper conveyor 21 and/or the lower conveyor 22. Alignment protrusions 28 may be formed to protrude, and accordingly, the upper and/or lower conveyors 21 and 22 may be prevented from shifting in the left and right directions during transport.

In addition, a pair of concave-convex portions 29 may be formed on the outer surface of the lower conveyor 22 at regular intervals along the longitudinal direction, and the concave-convex portions 29 are the upper and lower portions. It is to support the roots of the crops exposed to the outside of the conveyors 21 and 22 to maintain them in a straight front and rear shape, and accordingly, various foreign substances buried in the roots of the crops by the foreign matter removal units 30 and 30'. can be easily separated and washed.

The foreign matter removing units 30 and 30' are disposed in the transfer unit 20 and horizontally reciprocate to remove foreign materials from the roots of the crops transported by the transfer unit 20, thereby removing the exposed roots of the crops. to inject compressed air into the area.

That is, the foreign matter removal units 30 and 30' installed to remove foreign substances attached to the roots of the crops from the crops transported via the cutter 50 that cuts the root portion are the upper conveyor 21 ) disposed at the inner end of the first removal unit 30 for injecting high-pressure compressed air downward, and disposed at the inner end of the lower conveyor 22 for injecting high-pressure compressed air upward It includes a removal unit 30', and the first and second removal units 30 and 30' have the same structure, and include a fixed plate 31, a moving plate 32, a motor driving shaft 33, and a crank. A shaft 34 and a nozzle part 35 are included.

Here, a pair of extension frames 11 are coupled to the base 10 at a predetermined distance apart through a fastening member 100, and both ends of the fixing plate 31 included in the first removal unit 30 are It is connected and fixed to the extension frame 11 with a connecting rod 12 so that a gap of a certain height is maintained with the extension frame 11 forming a pair, and the fixing plate included in the second removal unit 30 ' Both ends of 31) are fastened and fixed to the extension frame 11 forming a pair with the fastening member 100.

The fixing plate 31 included in the first and second removal units 30 and 30' has a linear rail 31a, which is a first guide member, formed on one surface.

The moving plate 32 faces the fixed plate 31, and is coupled to the linear rail 31a used as the first guide member to reciprocate in the horizontal direction by the distance of the linear rail 31a. A linear block 32a used as a guide member is formed.

The first guide member is applied to the linear rail (21a), the second guide member is shown and described in a state in which the linear block (32a) is preferably applied, but the first guide member is a linear block (32a), the The second guide member may have a structure of a linear rail 31a.

In addition, the first and second guide members may be applied with a rail installed in the form of a circular rod and a guide block in the form of a circular tube sliding along the circular rod, but the replacement of such a mechanical configuration is also the technical aspect of the present invention Since there is no difficulty in implementing the purpose and action, it falls within the scope of the invention in the optional range.

The motor driving shaft 33 is fixed to one side of the fixing plate 31, and the rotating plate 33a is coupled to the driving shaft.

The crankshaft 34 has one end eccentrically connected to the rotating plate 33a of the motor driving shaft 33 and the other end bent vertically from one surface of the moving plate 32. A first bending extension piece 32-1 To be connected to, to reciprocate the moving plate 32 in the horizontal direction when the rotating plate (33a) rotates.

In a preferred embodiment of the present invention, the bending extension piece 32-1 bent in the vertical direction from the moving plate 32 is a second guide hole 31 long perforated in the width direction on the plane of the fixing plate 31 -2) is installed through.

The nozzle unit 35 is assembled and arranged to maintain a constant width on the moving plate 32, and is pressed by the upper conveyor 21 and the lower conveyor 22 to remove foreign matter from the crops being transported. By injecting compressed air, it includes a tube body (35a) and a nozzle (35b).

The tubular body 35a is coupled to the moving plate 32 and is connected to a compressor (not shown) and a hose (not shown), and in a preferred embodiment of the present invention, on the plane of the fixed plate 31 in the width direction It is installed through the first guide hole 31-1 that is long perforated.

The first and second guide holes 31-1 and 31-2 installed in the width direction on the fixing plate 31 are respectively installed on facing surfaces of the fixing plate 31 and the moving plate 32. Together with the linear rail 31a and the linear block 32a, it performs a function of maintaining a sense of balance when the moving plate 32 moves in the lateral direction.

Therefore, the first and second guide holes 31-1 and 31-2 maintain the postures of the linear rail 31a and the linear block 32a to prevent sagging or twisting, thereby preventing unnecessary wear. can be minimized.

The nozzle 35b is coupled to one end of the tubular body 35a and injects high-pressure compressed air compressed by the compressor onto crops.

That is, the nozzle 35b included in the first removal unit 30 injects high-pressure compressed air from an upper direction to a lower direction, and the nozzle 35b included in the second removal unit 30' sprays compressed air from a downward direction. As the high-pressure compressed air is sprayed upward, it is possible to wash and separate various foreign substances buried in the adjacent portion of the exposed roots of the crops being transported in a state of being pressed by the upper and lower conveyors 21 and 22.

Here, the driving of the not shown driving unit for moving the upper and lower conveyors 21 and 22 and the driving of the motor driving shaft 33 for reciprocating the moving plate 32 are controlled by a control unit (not shown), The control unit adjusts the moving speed V1 of the upper and lower conveyors 21 and 22 and the reciprocating speed V2 of the moving plate 32 to be the same or different from each other in order to remove foreign substances from agricultural products having different degrees of contamination. A program that controls the driving amount of the driving unit and the motor driving shaft 33 identically or differently may be loaded.

For example, in the case of crops (eg, chives) with a lot of soil (or mud) containing moisture, the program mounted in the control unit moves the upper and lower conveyors 21 and 22 to increase the efficiency of separation and washing. The speed V1 and the reciprocating speed V2 of the moving plate 32 are controlled at a ratio of 1:20.

On the other hand, in the case of dry crops (eg chives), in order to increase the efficiency of separation and washing, the program loaded in the control unit determines the moving speed V1 of the upper and lower conveyors 21 and 22 and the moving plate 32 It is possible to control the reciprocating speed (V2) of 1:10, and in addition, in the case of crops with severe leaf dryness (eg, chives), the required speed ratio can be changed.

As such, the crop foreign matter separator according to an embodiment of the present invention first separates foreign matter between the upper conveyor 21 and the lower conveyor 22 included in the transfer unit 20, as shown in FIGS. 1 to 6. While introducing the trunk bundle of the crop to be cleaned, the root portion of the crop is exposed to the outside.

Then, while power is supplied, when the upper conveyor 21 and the lower conveyor 22 are transported by the upper roller 21a and the lower roller 22a, respectively, the body of the crop is the upper and lower conveyors ( 21, 22) is transported via the cutter 50 that cuts the root portion while being pressed.

At this time, since a pair of concave-convex portions 29 are formed on the outer surface of the lower conveyor 22, the concave-convex portions 29 maintain the roots of the crops exposed to the outside in a straight line in front and back. is to support

In addition, when the crops whose roots have been cut as described above are transported to the position where the foreign matter removal units 30 and 30' are disposed, the first and second removal units 30 and 30' move upward and downward, respectively. As the high-pressure compressed air is sprayed on the portion adjacent to the roots of the crops exposed to the outside from the direction, various foreign substances buried in the portion adjacent to the roots of the crops can be separated.

That is, when the motor drive shaft 33 included in the first and second removal units 30 and 30' is driven and the rotation plate 33a coupled to the motor drive shaft 33 rotates, the rotation plate ( 33a) and the moving plate 32 are connected to the crankshaft 34, so that the linear block 32a of the moving plate 32 moves along the linear rail 31a of the fixed plate 31 in the horizontal direction. will move round-trip.

At this time, since a plurality of nozzle parts 35 connected to the compressor and hoses are coupled to the moving plate 32, the nozzle parts 35 reciprocate in the horizontal direction while moving the upper and lower conveyors 21 and 22 High-pressure compressed air is sprayed from the upper and lower directions, respectively, to the adjacent parts of the exposed roots of the crops whose trunk is pressed by the .

Then, from the high-pressure compressed air sprayed from the nozzle unit 35, washing can be performed in which various foreign substances buried in the vicinity of the exposed roots of the crop are separated.

That is, the body of the crop is in a state of being pressed between the upper and lower conveyors 21 and 22, and the portion adjacent to the root of the crop is exposed to the outside, the nozzle included in the first removal unit 30 ( 35) injects high-pressure compressed air in an upward direction adjacent to the root, and a nozzle unit 35 included in the second removal unit 30' blows high-pressure compressed air downward in the adjacent portion of the root. When spraying, various foreign substances present in the vicinity of the root of the crop are separated from the region adjacent to the root.

7 to 9 show another embodiment of the present invention.

7 is an enlarged perspective view showing the structure of the first and second removal units respectively disposed at the inner ends of the upper and lower conveyors according to another embodiment of the present invention, and FIG. 8 is an enlarged perspective view of FIG. 7 according to another embodiment of the present invention. FIG. 9 is an enlarged perspective view of the second control unit disposed at the inner end of the lower conveyor as viewed from the lower direction according to another embodiment of the present invention.

This embodiment does not show a functional difference compared to the embodiment described through FIGS. 1 to 6 in terms of structural characteristics, but the fixing plate 31 and the moving plate 32 in terms of utilization of installation space The position of is changed up and down.

As can be seen from FIGS. 7 to 9, in another embodiment of the present invention, the nozzle unit 35 disposed forward of the moving plate 32 can be installed in a state out of the fixed plate 31, In this case, the first and second guide holes 31-1 and 31-2 long perforated in the width direction on the plane of the fixing plate 31 are not required.

Despite these structural changes, the functional features of the present invention operate in the same way as in the above-described embodiment, and therefore, the symbols of the overlapping elements are identically marked, and repeated descriptions will be omitted.

In the above, the technical idea of the crop foreign matter separator of the present invention has been described with the accompanying drawings, but this is an exemplary description of the most preferred embodiment of the present invention, but does not limit the present invention.

Therefore, the present invention is not limited to the specific embodiments described above, and various modifications can be implemented by anyone having ordinary knowledge in the art to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Of course, such changes are within the scope of the claims.

10; base 11; extension frame
12; connecting rod 20; transfer unit
21; upper conveyor 21a; upper roller
22; lower conveyor 22a; lower roller
23; elastic roller 24; Brackets
25; rotating rod 26; elastic spring
27; alignment groove 28; alignment protrusion
29; Concave-convex portions 30, 30'; foreign matter removal unit
31; fixed plate 31a; linear rail
31-1, 31-2; 1st and 2nd guiding hole
32; moving plate 32a; linear block
32-1; Moving plate bending extension
33; motor drive shaft 33a; turntable
34; Crankshaft 35; Nozzle part
35a; tube body 35b; Nozzle
100; fastening member

Claims (9)

Base; a transfer unit disposed on the base and transporting while pressing the body of the crop; And, a foreign matter removal unit disposed in the transfer unit, spraying compressed air to the exposed root portion of the crop while horizontally reciprocating to remove foreign matter from the root portion of the crop transported by the transfer unit; including,
The foreign matter removal unit, to be fixed to the base, a fixing plate having a first guide member formed on one surface; a second guide member coupled to the first guide member of the fixing plate is installed on a surface facing the fixing plate to reciprocate in a horizontal direction within a predetermined distance while maintaining parallel to the fixing plate; A rotating plate fixed to one side of the fixed plate and connected to the motor driving shaft; a crankshaft having one end eccentrically connected to the rotating plate and the other end connected to the moving plate, and reciprocating the moving plate in a horizontal direction when the rotating plate rotates; And, a plurality of nozzle units assembled and arranged to maintain a constant width on the moving plate, and spraying high-pressure compressed air for removing foreign substances to the crops being transported while being pressed by the upper conveyor and the lower conveyor; A crop foreign matter separator comprising a. According to claim 1,
The first guide member is a linear rail, the second guide member is a linear block, or the first guide member is a linear block, and the second guide member is a crop foreign matter separator, characterized in that composed of a combination of linear rails . According to claim 1,
The transfer unit,
An upper conveyor transported by a pair of facing upper rollers rotating according to the drive of the driving unit; And, a lower conveyor installed adjacent to the lower end of the upper conveyor and transported by a pair of facing lower rollers rotating according to the drive of the driving unit; including,
An elastic roller that presses the upper conveyor or the lower conveyor while the upper conveyor or the lower conveyor rotates when the upper conveyor or the lower conveyor is deformed is disposed at a predetermined interval between the upper roller or the lower roller forming a pair of facing faces,
A bracket is installed on the base, at least one or an interruption portion of one or more pivoting rods is hinged to the bracket, and an upper end of the pivoting rod and the bracket are interconnected by an elastic spring, and the elastic roller is attached to the pivoting rod A crop foreign matter separator, characterized in that one end is axially coupled. According to claim 3,
An alignment groove is formed at the center of the elastic roller, and an alignment protrusion seated in the alignment groove protrudes from the center of the inner surface of the upper conveyor or the lower conveyor to prevent the conveyor from moving in the left and right directions,
A crop foreign matter separator, characterized in that a pair of concave-convex parts (凹凸) are formed on the outer surface of the lower conveyor to support the roots of the crops to maintain them in a front-and-back straight shape while being disposed at regular intervals along the length direction. According to claim 2,
The foreign matter removal unit,
A first removal unit disposed at an inner end of the upper conveyor to spray high-pressure compressed air downward, and a second removal unit disposed at an inner end of the lower conveyor to spray high-pressure compressed air upward A crop foreign matter separator, characterized in that for doing. According to claim 5,
The first and second removal units have the same structure,
A fixing plate fixed to the base and forming a linear rail;
a moving plate facing the fixed plate and having a linear block reciprocating in a horizontal direction as much as the distance of the linear rail while being coupled to the linear rail;
A motor fixed to one side of the fixed plate and having a rotating plate coupled to a driving shaft;
a crankshaft having one end eccentrically connected to the rotating plate of the motor and the other end connected to the moving plate, and reciprocating the moving plate in a horizontal direction when the rotating plate rotates; and,
a plurality of nozzle units assembled and arranged to maintain a constant width on the moving plate and spraying high-pressure compressed air to remove foreign matter from the crops being transported while being pressed by the upper conveyor and the lower conveyor; A crop foreign matter separator comprising a. According to claim 6,
One end of the crankshaft eccentrically connected to the rotating plate is installed so that it is located at a different top dead center or bottom dead center in the first removal unit and the second removal unit, characterized in that configured to offset the impact force due to vibration. foreign matter separator. According to claim 6,
The nozzle part,
A tubular body coupled to the moving plate and connected to the compressor by a hose; And, while being coupled to one end of the tubular body spraying a high-pressure compressed air nozzle; A crop foreign matter separator comprising a. According to claim 6,
The driving of the driving unit for moving the upper and lower conveyors and the motor for reciprocating the moving plate are controlled by a control unit,
The control unit controls the drive amounts of the drive unit and the motor drive shaft identically or differently so that the moving speeds of the upper and lower conveyors and the reciprocating moving speed of the moving plate are the same or different from each other in order to remove foreign substances from agricultural products having different degrees of contamination. A crop foreign matter separator, characterized in that the program is loaded.

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