JP2001321725A - Grain sorting apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a grain sorting apparatus whose sorting section can easily and quickly be assembled and disassembled. SOLUTION: This grain sorting apparatus comprises a sorting section 5 composed of a rotating sorting mesh cylinder 3 for discharging crushed grains and a rotating spiral unit 4 for elevating and moving the object grains to be sorted along the inner face of the rotating sorting mesh cylinder 3. The outer casing 2 of the sorting section 5 has an opening in the upper face and is freely opened or closed by a cover unit 22. The cover unit 22 is opened and the rotating spiral unit 4 and the rotating sorting mesh cylinder 3 are successively dropped and inserted into the outer casing 2 from the opening of the upper face of the casing 2 and then the cover is closed to pivotally support and install the unit 4 and the cylinder 3. The cover unit 22 is opened and the rotating sorting cylinder 3 and the rotating spiral unit 4 are taken out through the opening of the upper face. The engaging positioning structure of one rim part of the opening of the outer casing 2 and the cover unit 22 is so formed as to axially engage the cover unit 22 in the state that the cover unit 22 is opened and keep the axial engagement of the cover unit 22 in the direction of closing the cover unit 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cereal sorter for sorting and removing refuse particles mixed in cereals and packing the selected cereals in bags.

[0002]

2. Description of the Related Art A cereal sorter in which a rotary spiral is provided inside a rotary sorting net and the cereal to be sorted is lifted and moved by the rotary spiral while sorting and discharging refuse particles by the rotary sorting net is disclosed in, for example, Japanese Patent Laid-Open Publication No. No. 9-43035. Further, in this kind of grain sorter, a lid having an opening on the upper surface of an outer package of a sorting section and a lid for closing the upper opening thereof is made detachable by a screwing structure, and the lid is provided with a rotary spiral bearing is a special feature. It is described in JP-B-61-16518.

[0003]

By the way, the sorting section of the grain sorter described in the above-mentioned Japanese Patent Publication No. 61-16518 is composed of a rotary sorting net and a rotary spiral. In doing so, remove the lid at least at the top opening of the exterior body, first take in the rotating spiral, insert the lower shaft hole into the lower drive shaft part and temporarily hold it, and then insert it so as to cover the rotating spiral with the rotary screen net At the same time, the bearing member on the upper part of the rotary sorting mesh cylinder is fitted to the upper shaft of the rotary spiral, and the lid is further placed at a position where the upper surface opening is closed, and the upper shaft of the rotary spiral is fitted to the bearing, and It requires a complicated process of screwing the lid to the body. Also, in this kind of grain sorter, the lid is separate from the outer body, and a certain amount of play is required at the screwing position of the lid from the assembly structure, and the lid is fixed by screwing. Since the position of the axis of the rotary spiral must be adjusted at the time of the operation, the positioning operation is extremely complicated, requires considerable skill, and is not easy.

Accordingly, the present invention has been made in view of the above-mentioned conventional problems, and has made it possible to easily and quickly assemble and disassemble a sorting section, and to assemble a rotating spiral body by simply closing a lid. It is an object of the present invention to provide a cereal sorter capable of supporting and mounting a shaft at a position of the shaft center.

[0005]

The present invention has the following configuration to achieve the above object. In other words, the grain sorter according to the first aspect of the present invention is a rotary sorter for discharging dust particles mixed in grains, and a rotary for lifting and moving the selected grains along the inner surface of the rotary sorter. In a grain sorter that forms a sorting unit with a spiral body, an outer body of the sorting unit has an open upper surface and is openable and closable with a lid that is positioned by being engaged with one edge of the opening. The sorting net cylinder is configured such that the lids are opened, the lids are sequentially inserted from the upper surface opening of the exterior body, and the lids are closed so that they can be axially mounted at a predetermined axial position. The engagement positioning structure between the one end edge of the opening and the lid is configured such that the lid is axially engaged with the lid opened, and the axial engagement of the lid is held in the direction in which the lid is closed. It is characterized by having.

According to a second aspect of the present invention, in the grain sorter according to the first aspect, the engagement positioning structure between the one end edge of the opening of the exterior body and the lid has a shaft engagement structure in the uneven fitting structure. And a shaft engagement holding structure is provided between one end edge of the opening of the exterior body and one end side of the lid.

According to a third aspect of the present invention, in the grain sorter according to the first or second aspect, the concave portion of the concave-convex fitting structure is formed at one end edge of the opening of the exterior body, and the convex portion is formed at one end side of the lid. The shaft is formed on both side end surfaces of the convex portion, and the receiving groove of the shaft is formed on both side end surfaces of the concave portion.The shaft engagement holding structure includes a tongue piece protruding on one end side of the lid. It is characterized in that it is configured to engage with the structural concave portion on one edge side of the opening of the exterior body.

The grain sorter according to a fourth aspect of the present invention is the grain sorter according to the third aspect, wherein a back cover of the outer body is detachable, and an open side of the lid for opening and closing the upper surface of the outer body is the back cover. It is characterized in that it is configured to be locked and held closed by the upper edge.

According to a fifth aspect of the present invention, in the cereal sorter according to any one of the first to fourth aspects, the lid for opening and closing the upper surface of the exterior body closes the lid to set the rotation axis of the rotary spiral body. It has a function of guiding to a predetermined axis position.

[0010]

The drawings show an embodiment of the present invention. 1 is an overall side view showing a grain sorter according to the present invention partially cut away, FIG. 2 is a vertical sectional side view showing a lower structure of a sorting unit, and FIG. 3 is a vertical sectional view showing an assembly process of a portion corresponding to FIG. FIG. 4 is a longitudinal side view showing the upper structure of the sorting unit, and FIG.
FIG. 6 is a longitudinal sectional side view showing the opening / closing structure of the lid corresponding to FIG. 4, FIG. 6 is an exploded perspective view showing a part of the grain sorter lid according to the present invention, and FIG. FIG. 8 is an exploded perspective view corresponding to FIG.

The grain sorter 1 illustrated in FIG. 1 has a weighing function of sorting and removing dust particles mixed in grains and packing the selected grains into bags of a predetermined weight. The cereal sorting machine 1 includes a sorting unit 5 composed of a rotating sorting net cylinder 3 and a rotating spiral body 4 provided inside the outer casing 2 of the grain sorting machine 1. The rotating spiral body 4 of the sorting unit 5 has a reduction mechanism. It is rotationally driven by the electric motor 6 via the motor. The rotation sorting net cylinder 3 is further configured to be driven to rotate at a lower speed and in the opposite direction by the electric motor 6 through the speed reduction mechanism than the rotary spiral body 4. 3 and the number of rotations of the rotary spiral 4. Reference numeral 7 denotes a supply hopper for the selected cereals, 8 denotes a tank for temporarily storing the granules of the selected cereals, and an outlet 9 for the selected cereals.
Is provided with an automatic opening / closing shutter 10. A weighing scale 11 is arranged below the outlet 9, and the weight of the cereal grains to be sent out from the outlet 9 is set in the storage bag 12 set on the weighing scale 11 until the weight is set by the weighing scale 11. When stored, the automatic opening / closing shutter 10 operates to close.

As shown in detail in FIGS. 2 and 3, the lower portion of the sorting section 5 constitutes a feeding section 13 for the grains to be sorted to which a feeding hopper 7 is connected. The first drive shaft 14 to be connected protrudes, and this drive shaft 14 is linked to the electric motor 6 via the speed reduction mechanism as described above. Reference numeral 15 denotes a second drive shaft which is concentric with the first drive shaft 14 and is interlocked with the first drive shaft 14 via the speed reduction mechanism so as to rotate in the reverse direction. is there.

Reference numeral 16 denotes a dust particle receiving chamber,
Is provided with a scraping blade 17 for sweeping the bottom surface of the dust particle receiving chamber 16 to scrape the dust particles. 18 is a cereal introduction cylinder. The cereal introducing cylinder 18 has a spiral wing for guiding the cereal to be selected at an inlet 19 of the cereal to be selected opened at the lower end thereof. The lower bearing hole 20 of the grain introduction cylinder 18 is the second bearing hole.
It is fitted to the drive shaft 15. The rotation sorting net cylinder 3 is assembled so as to be fitted and connected to the cereal introduction cylinder 18 and integrally rotated. Further, the lower bearing hole 21 of the rotary spiral 4 is fitted to the first drive shaft 14, and has a configuration in which each is linked to the electric motor 6.

In the cereal sorter 1 according to the present invention, the upper surface of the outer casing 2 of the sorting section 5 is open and the lid 22 is provided. The lid 22 is provided at one edge of the opening of the exterior body 2,
That is, the mounting member 23 of the lid 22 is attached to the upper end edge of the exterior body 2 on the tank 8 side, and the fitting concave portion 24 of the mounting member 23 and the fitting projection 25 protruding from one end side of the lid 22. And a shaft engaging structure for axially engaging shafts 27 protruding from both side surfaces of the fitting protrusion 25 into receiving grooves 26 formed on both side surfaces of the fitting recess 24. A shaft engagement holding structure is provided between one end of the opening of the exterior body 2 and one end of the lid 22. This shaft engagement holding structure is provided with tongue pieces 28, 2 protruding from one end of the lid.
8 is configured to engage with the concave portions 29, 29 of the mounting member 23 forming the structure on the one end side of the opening of the exterior body. The shaft engaging structure has a shaft 27,
The shaft engagement is carried out in a posture in which the lid 22 is opened substantially vertically, and the shaft engagement holding structure is configured such that the shaft engagement is held in a direction to close the lid 22 further.

As shown in detail in FIGS. 4 and 5, a bearing 31 for the upper shaft 30 of the rotary helical member 4 is provided on the back side of the lid 22, and the bearing hole of the bearing 31 extends in the opening direction. It has an open shape, and its base has a function of guiding the upper shaft 30 of the rotary spiral 4 to the predetermined axis position of the rotary spiral 4 in the process of closing the lid 22. ing. A shaft support member 32 for the upper shaft 30 of the rotary spiral 4 is integrally attached to the upper end surface of the rotary sorter 3, and the upper portion of the rotary sorter 3 rotates with the upper shaft 30 of the rotary spiral 4. Are supported in a free state.

As shown in FIG. 6, the back cover 33 of the exterior body 2 is provided.
Is detachably provided by a screw 34. The locking pieces 35, 35 provided on the open side of the lid 22 that opens and closes the upper surface of the exterior body 2 are locked to the upper edge of the rear lid 33. It is configured to be kept closed. Further, since the lid 22 is securely closed and held by this configuration, even if the lid 22 is freely openable and closable and bears the shaft supporting function of the rotary spiral body 4 and the rotary sorting net cylinder 3, the lid body 2
2 is not opened carelessly, and safe and stable operation can be ensured. In addition, since the back cover 33 can be easily attached and detached, it is also convenient when the exterior body 2 is opened and the operation state of the sorting unit 5 is checked. 36 is a mounting portion of the back cover 33, and 37 is a handle.

The embodiment of the present invention configured as described above has a feature that the assembling of the sorting unit 5 can be performed easily and quickly as follows. That is, when assembling the sorting unit 5, it is only necessary to open the lid 22 on the upper surface of the outer package 2 upward. The lid 22 is opened to open the upper surface of the outer package 2, and first, the upper surface opening of the outer package 2 is opened. The rotating spiral 4 is taken in so as to be dropped, and the lower bearing hole 21 is fitted to the first drive shaft 14 and temporarily held. Next, the rotating sorting net cylinder 3 is dropped so as to cover the rotary spiral body 4, and the lower end thereof is fitted to the upper end of the grain introduction cylindrical body 18, joined and temporarily held.

Next, the lid 22 on the upper surface of the exterior body 2 is closed, and the lid 22 is fitted into the engagement recess 24 of the attachment member 23 attached to one edge of the opening of the exterior body 2. 2
5, the shafts 28, 28 of the lid 22 are axially engaged with the receiving grooves 26, 26 of the mounting member 23, and the tongue pieces 28, 28 are inserted into the recesses 29, 29 of the mounting member 23. As the lid 22 is engaged and held until the lid 22 is closed, the lid 22 is correctly positioned at one edge of the opening of the exterior body 2, and in the process of closing the lid 22, as shown in FIG. 2
2 is fitted to the upper shaft 30 of the rotary spiral 4 and guides the rotary axis of the rotary spiral 4 to a predetermined axial position. For this reason, just by closing the lid 22, the rotation axis of the rotary spiral body 4 and the rotary sorting net cylinder 3 which is axially supported concentrically with the spiral body 4 can be reliably set at a predetermined axial position. It is to be noted that the lid 22 is also required to remove the rotary screen net 3 and the rotary spiral 4 for maintenance and inspection.
By simply opening and opening the upper surface of the outer package 2, the rotary sorting net tube 3 and the rotary spiral 4 can be easily pulled out from the upper surface of the outer package 2.

[0019]

According to the present invention, the outer casing of the sorting portion is openable and closable with a lid which is open at the upper surface and which is engaged with one edge of the opening to be opened and closed. The net cylinder is configured such that the lid is opened, the lid is sequentially inserted from the upper surface opening of the exterior body, and the lids are closed so that they can be supported by a shaft at a predetermined axis position. The engagement positioning structure between the one edge and the lid is configured such that the lid is axially engaged in a state where the lid is opened and the axial engagement of the lid is held in a direction to close the lid. Therefore, it is possible to easily and quickly assemble and disassemble the sorting unit, and to obtain the effect that the rotating spiral can be mounted on the shaft at a predetermined axial position by simply closing the lid.

[Brief description of the drawings]

FIG. 1 is an overall side view of a grain sorter according to the present invention, partially cut away.

FIG. 2 is a vertical sectional side view showing a lower structure of a sorting unit.

FIG. 3 is a vertical sectional side view showing an assembling process of a portion corresponding to FIG. 2;

FIG. 4 is a vertical sectional side view showing an upper structure of a sorting unit.

5 is a vertical sectional side view showing a lid opening / closing structure of a portion corresponding to FIG. 4;

FIG. 6 is an exploded perspective view showing a part of a grain sorter lid according to the present invention.

FIG. 7 is a perspective view showing a part of a portion corresponding to FIG. 6 in detail.

FIG. 8 is an exploded perspective view corresponding to FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Grain sorter 2 Outer body 3 Rotation sorting net cylinder 4 Rotating spiral body 5 Sorting part 6 Electric motor 7 Supply hopper 8 Tank 9 Sending-out port 10 Automatic opening / closing shutter 11 Weight scale 12 Storage bag 13 Supply part 14 1st drive shaft 15 2nd drive Shaft 16 Dust receiving chamber 17 Scrape blade 18 Grain introduction cylinder 19 Inlet 20 Lower bearing hole 21 Lower bearing hole 22 Lid 23 Mounting member 24 Fitting recess 25 Fitting protrusion 26, 26 Receiving groove 27, 27 Shaft 28, 28 Tongue piece 29, 29 Recess 30 Upper shaft 31 Bearing 32 Shaft support member 33 Back cover 34 Screw 35, 35 Locking piece 36 Mounting part 37 Handle

Continued on the front page (72) Inventor Toshio Ogawa 4290 Fujioka, Shimotsuga-gun, Shimotsuga-gun, Tochigi Prefecture Inside Tiger Kawashima Co., Ltd. Term (reference) 4D021 AA14 AB01 AB02 CA11 DA14 DA20 EA02 4D043 JB01 JF02

Claims (5)

[Claims] 1. A sorting unit is constituted by a rotary sorting net for discharging waste particles mixed in grains and a rotary spiral for lifting and moving the selected grains along the inner surface of the rotary sorting net. In the cereal sorting machine, the outer body of the sorting unit is openable and closable with a lid that is open at an upper surface and is positioned by being engaged with one edge of the opening. The lid is opened and sequentially inserted from the upper surface opening of the exterior body, and by closing the lid body, they are configured so that they can be axially supported and mounted at a predetermined axial position, and one end edge of the opening of the exterior body and the lid body. Is characterized in that the axial engagement of the lid is performed with the lid opened, and the axial engagement of the lid is held in the direction in which the lid is closed. Grain sorter. 2. An engagement positioning structure between one end edge of an opening of an exterior body and a lid body is provided with a shaft engagement structure in a concave-convex fitting structure, and between one end edge of the opening of the exterior body and one end side of the lid body. The grain sorter according to claim 1, further comprising a shaft engagement holding structure. 3. A concave portion of the concave-convex fitting structure is formed at one edge of the opening of the exterior body, and a convex portion is formed on one end side of the lid. The receiving groove of the shaft is formed on both side end surfaces, and the shaft engagement holding structure is configured to engage a tongue protruding from one end side of the lid with the structure concave portion on one edge side of the opening of the exterior body. The grain sorter according to claim 2, characterized in that: 4. The back cover of the exterior body is detachable, and the open side of the lid that opens and closes the upper surface of the exterior body is configured to be locked and held by the upper edge of the back lid. The grain sorter according to claim 2 or 3, wherein: 5. The lid for opening and closing the upper surface of the exterior body has a function of guiding the rotation axis of the rotary spiral to a predetermined axial position by closing the lid.
A cereal sorter according to any one of claims 1 to 4.