JP2022162298A - Flow suppression device for breaking prevention and flow suppression method for breaking prevention - Google Patents

Abstract

To solve the problem that, when grains that have been lifted by a lifting machine flow into respective devices, the grains collide with inner walls of the devices and therefore breaking and cracking occur on the grains due to a configuration of conventional one in which grains that are lifted by the lifting machine are simply conveyed to the devices for processing.SOLUTION: In a flow suppression device for breaking prevention, the lower part of a conveyance direction upper side pipe 2 that conveys grains K from the upper side is connected to the upper part of a case 15, the upper part of a conveyance direction lower side pipe 2 is connected to the lower part of the case 15, a restraining partition plate 17 inclined with respect to the conveying direction of the grains K in the case 15 is provided on the upper part of the case 15 so that the inclination angle can be changed, a storage space T is formed, between the lower end of the restraining partition plate 17 and one side surface of the case 15, in which the conveyed grains K come in contact with the restraining partition plate 17 and are stored, an overflow space S is formed on the side of the storage space T where the grains K overflowing from the storage space T spill.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a crush-preventing flow suppressing device and a crush-preventing flow suppressing method.

Conventionally, a processing facility is known in which a huller, a particle size sorter, or the like is installed side by side, an elevator is provided between each device, and grains are conveyed and raised while various processing is performed (Patent Document 1).
Further, conventionally, a foreign matter removing device composed of a large number of thin vertical plates arranged side by side, a magnet body, and a horizontal sorting net is known as a prior application filed by the present applicant (Patent Document 2).

JP-A-11-44686 JP-A-11-156300

Among the above-mentioned known examples, the former one has a structure in which the grains fried by the elevator are simply transported to each device and processed, so when the grains fried by the elevator flow into each device, the grains Since the grain collides with the inner wall of the apparatus, there is a problem that the grain is crushed or cracked.
This problem can be solved by slowing down the conveying speed, but simply slowing it down lowers the conveying efficiency.
Also, in the latter known example, since the foreign matter removing device is arranged in the conveying pipe in front of the tank, the conveyed grain collides with the vertical plate of the foreign matter removing device, and the grain is destroyed. There is a problem that it is crushed or cracks occur. There was no idea to prevent grain damage when removing this foreign matter.
The present application is intended to suppress the occurrence of damage to grains during transportation without lowering the transportation efficiency, and at the same time, it is possible to remove foreign matter.

In the invention of claim 1, the lower part of the conveying direction upper side pipe 2 that conveys the grain K from the upper side is connected to the upper part of the case 15, the upper part of the conveying direction lower side pipe 2 is connected to the lower part of the case 15, A restraining partition plate 17 inclined with respect to the conveying direction of the grains K in the case 15 is provided in the upper part of the case 15 so that the inclination angle can be changed. A storage space T is formed in which the grains K conveyed therebetween come into contact with the restraining partition plate 17 and are stored. This is a crush-preventing flow restraint device.
In the invention of claim 2, a gap 33 is formed between the lower end of the restraining partition plate 17 and the case inner surface 32 of the case 15 in the storage space T, and the grains K flow down through the gap 33. The upper end of the restraining partition plate 17 always forms an overflow space S between the right side plate 35 of the case 15, and when a predetermined amount of grains K accumulates in the storage space T in the overflow space S, it overflows. The flow suppressing device for preventing crushing is constructed such that the grains K which are filled with grains K move downward of the case 15 through the overflow space S.
According to the third aspect of the invention, the restraining partition plate 17 is rotatably mounted on the case 15 by the mounting shaft 19, and the tilt angle is adjustable by the adjusting mechanism 21 mounted on the mounting shaft 19. It is.
According to the fourth aspect of the invention, the adjusting mechanism 21 has an operating lever 25 attached to one end of the mounting shaft 19, and the operating lever 25 is provided with an arcuate moving groove 26 centered on the mounting shaft 19. A crush-preventing flow restraint device is constructed by attaching a fixed dial 27 .
According to the fifth aspect of the invention, an opening 37 is provided in the left side plate 31 of the case 15 on both sides of the restraining partition plate 17, and an inspection lid 30 is detachably attached to the opening 37 to prevent crushing. It is.
In the sixth aspect of the invention, the opening 37 and the inspection lid 30 are arranged so that when the inspection lid 30 is removed, the attachment portion between the attachment portion 18 of the restraining partition plate 17 and the attachment shaft 19 can be visually recognized. It is a crush-preventing flow suppressing device configured as follows.
According to the seventh aspect of the present invention, the front plate 38 of the case 15 is provided with a transparent inspection window 39 above the mounting shaft 19 to prevent crushing.
According to the eighth aspect of the invention, a crushing preventing portion 41 for removing foreign matter from the grain K is provided below the buffer portion 40 constituted by the suppressing partition plate 17 of the case 15 and the overflow space S. It is used as a flow control device.
According to the ninth aspect of the invention, the foreign matter removing section 41 has a substantially horizontal sorting net 42 detachably attached to the mounting member 43 below the buffer section 40, and a predetermined magnetic force is applied to the mounting member 43 below the sorting net 42. A magnet body 48 is provided, and a mounting member 43 is attached to and detached from the case 15 by inserting and removing it from a lower opening 45 provided in the left side plate 31 of the case 15.
In the invention of claim 10, the grain K is made to flow into the case 15 from the pipe 2 on the upper side of the case 15, and the grain K that has flowed in is stored in the storage space T on the inclined suppression partition plate 17, and the suppression partition The grains K stored on the plate 17 are dropped from the gap 33 between the lower end of the restraining partition plate 17 and the inner surface of the case 15, and flow into the storage space T from the overflow space S provided on the side of the storage space T. This is a crush-preventing flow suppression method for moving the partially overflowing grains K accumulated in a predetermined amount to the lower side of the case 15 .

In the invention of claim 1, a suppressing partition plate 17 inclined with respect to the conveying direction of the grains K in the case 15 is provided in the case 15 so that the inclination angle can be changed, and the grains K are stored above the surface of the suppressing partition plate 17. The storage space T is formed, and the overflow space S in which the grains K overflowing from the storage space T fall is formed on the side of the storage space T. It is possible to suppress the flow of the grains K to be conveyed and prevent the grains K from being crushed or cracked during conveyance.
In the invention of claim 2, a gap 33 is formed between the lower end of the restraining partition plate 17 and the case inner surface 32 of the case 15 in the storage space T, and the grains K flow down through this gap 33. An overflow space S is formed between the upper end of the restraining partition plate 17 and the right side plate 35 of the case 15 at all times. Since the grains K are configured to move through the overflow space S to the lower side of the case 15, the amount of the grains K entering the case 15 and the amount coming out of the case 15 do not change. The grains K that flow down into the case 15 fall onto the grains K on the restraining partition plate 17 without causing clogging of the grains K, and the impact of the collision is alleviated to reduce damage such as cracking of the grains K. The occurrence can be suppressed.
In the third aspect of the invention, the restraining partition plate 17 is rotatably attached to the case 15 by the mounting shaft mounting shaft 19, and the tilt angle is adjustable by the adjusting mechanism 21 mounted on the mounting shaft 19. The accumulation condition of the grains K on the plate 17 can be adjusted.
In the fourth aspect of the invention, the adjusting mechanism 21 has an operating lever operating lever 25 attached to one end of the mounting shaft 19, and the operating lever 25 is provided with an arcuate moving groove moving groove 26 centered on the mounting shaft 19 to move the operating lever 25. Since the fixed dial 27 is attached to the groove 26, the inclination angle of the restraining partition plate 17 and the accumulation condition of the grains K on the restraining partition plate 17 can be easily adjusted.
In the fifth aspect of the invention, an opening 37 is provided in the left side plate 31 of the case 15 on the side of the storage space T on the side of the mounting shaft 19 to which the restraining partition plate 17 is attached. Since it is freely attached, maintenance such as cleaning of the vicinity of the suppression partition plate 17 where the grains K accumulate can be facilitated.
In the sixth aspect of the invention, when the inspection lid 30 is removed, the attachment portion 18 of the restraining partition plate 17 in a substantially horizontal state and the attachment shaft 19 can be visually recognized. , maintenance such as attachment and detachment of the restraining partition plate 17 and cleaning of the restraining partition plate 17 and the inside of the case 15 can be facilitated.
In the seventh aspect of the invention, since a transparent inspection window (see-through window) 39 is provided above the mounting shaft 19 of the front plate 38 of the case 15, the storage amount of grains K on the restraining partition plate 17 and The grains K overflowing into the overflow space S can be visually recognized, thereby facilitating adjustment of the inclination angle of the restraining partition plate 17 .
In the eighth aspect of the invention, a foreign matter removing portion 41 for removing foreign matter from the grains K is provided below the buffer portion 40 formed by the restraining partition plate 17 of the case 15 and the overflow space S. Since the foreign matter in the grain K is removed while the flow of the grain K is suppressed, the foreign matter can be removed without damaging the grain K.
In the ninth aspect of the invention, the foreign matter removing section 41 detachably attaches a substantially horizontal sorting net 42 to the mounting member 43 below the buffer section 40, and a predetermined magnetic force is applied to the mounting member 43 below the sorting net 42. The mounting member 43 is attached to and detached from the case 15 by inserting and removing it from the lower opening 45 provided in the left side plate 31 of the case 15, so that maintenance of the foreign matter removing portion 41 is facilitated. I can do it.
In the invention of claim 10, the grain K is made to flow into the case 15 from the upper pipe 2 of the case 15, and the grain K that has flowed in is stored in the storage space T on the inclined suppression partition plate 17, and the suppression partition The grains K stored on the plate 17 are dropped from the gap 33 between the lower end of the restraining partition plate 17 and the inner surface of the case 15, and the overflow space S between the upper end of the restraining partition plate 17 and the side surface of the case 15. is formed, and a portion of the overflowing grains K accumulated in the storage space T in a predetermined amount moves through the overflowing space S to the lower side of the case 15. Therefore, the grains K are not clogged. Therefore, it is possible to suppress the flow of the grains K being conveyed and prevent crushing and cracking of the grains K occurring during the conveyance.

FIG. 2 is a front view of a crush-preventing flow suppressing device; FIG. 11 is a front view of a crush-preventing flow suppressing device of another embodiment; The front view which provided the flow control apparatus for crush prevention in the grain storage facility. FIG. 2 is a front view of a crush-preventing flow suppressing device; FIG. 4 is a rear view of the anti-crush flow restraint device, a front view of the inspection lid, and a side view of the anti-crush flow restraint device. FIG. 4A is a side view and a front view of the crush-preventing flow control device with the inspection lid removed; Side and front views and a bottom view of a restraining partition. The side view and front view of an operating lever, and a bolt attachment state figure. Front view of attachment/detachment state of foreign matter removal unit The top view, the side view, and the front view of a foreign material removal part. FIG. 4 is a diagram showing the state of operation of the crush-preventing flow suppressing device. Schematic drawing which provided the flow suppression apparatus for anti-fragmentation in the pneumatic conveying apparatus. Sectional drawing of a grain separator.

One embodiment of the present invention will be described with reference to the drawings. 1 is a crushing device that suppresses the flow of grains K (conveyed material) being conveyed in the conveying channel and prevents crushing and cracking of grains K that occur during conveyance. It is a flow control device for preventing flow, and is provided at an arbitrary position in the middle of the pipe 2 that constitutes the transfer flow path.
The arrangement and configuration of the conveying flow path and the piping 2 are arbitrary, but to show an example, FIG. Above the tanks 4, a horizontal conveyor 6 for distributing and conveying the grains K lifted by the elevator 5 for lifting the grains K to each rice delivery tank 4 to each rice delivery tank 4 is provided. , a horizontal feed conveyor 6 for conveying the grains K discharged from each rice delivery tank 4 is provided, the terminal end of the horizontal feed conveyor 6 is connected to a separately provided supply unit (supply hopper) of the elevator 5, and the upper discharge of the elevator 5 is connected. The upper part of the pipe 2 is connected to the outlet 7 , the lower part of the pipe 2 is connected to the upper part of the sub-tank 8 , and the sub-tank 8 is connected to the upper part of the weighing device weighing device 10 via the dispensing device 9 . A discharge port (discharge portion) 11 of the weighing device 10 is connected to a separate leading end of a conveying device 12 .

A crush-preventing flow suppressing device 1 is provided in the vicinity of the lower portion of the pipe 2 connecting the elevator 5 and the sub-tank 8 .
In the crush-preventing flow suppressing device 1, the upper portion of the conveying direction upstream pipe 2 is connected to the upper portion of the case 15, and the upper portion of the conveying direction lower portion pipe 2 is connected to the lower portion of the case 15 (Figs. 1 and 2). .
A restraining partition plate 17 is provided below the inlet 16 in the upper part of the case 15 . The restraining partition plate 17 has a function of partitioning a storage space T in which the grains K are stored on the restraining partition plate 17 described later and an overflow space S through which the grains K overflowing from the storage space T spill and pass; It has the effect of suppressing the transportation of grains K flowing down from the inlet 16 of the case 15 .

The restraining partition plate 17 is formed in a flat plate shape, and is provided below the inlet 16 so as to protrude in a direction intersecting the falling direction of the grains K when viewed from the front.
Therefore, the grains K falling from the inflow port 16 fall onto the grains K group stored on the upper surface of the restraining partition plate 17, the impact is alleviated, and the flow is restrained.
A mounting portion 18 is provided on the lower surface (rear surface) of the restraining partition plate 17 substantially in the middle of the upper and lower sides, and the mounting portion 18 is fixedly attached to a mounting shaft 19 in the front-rear direction by bolts 20 (FIG. 8).
When the restraining partition plate 17 is placed in a horizontal position, the mounting hole between the mounting portion 18 and the mounting shaft 19 can be seen, and the restraining partition plate 17 is fixed with bolts 20 in this state (FIG. 6).

The restraining partition plate 17 is configured so that the tilt angle can be adjusted by the adjusting mechanism 21 . The adjusting mechanism 21 has an operating lever 25 attached to the mounting shaft 19 , and the operating lever 25 is rotatably attached to the center of the mounting shaft 19 to adjust the inclination angle of the restraining partition plate 17 .
The operation lever 25 is provided with an arcuate moving groove 26 centered on the mounting shaft 19, and a fixing dial 27 is attached to the moving groove 26 to fix the tilt angle of the control partition plate 17 adjusted for angle (FIG. 2).

Therefore, when the adjustment mechanism 21 loosens the fixed dial 27 and rotates the operation lever 25 about the mounting shaft 19 by the knob portion 28 of the operation lever 25, the inclination angle of the restraining partition plate 17 is changed, and the grain K is removed. The degree of flow suppression can be adjusted, and after the adjustment, the fixing dial 27 can be tightened to fix the rotation of the operation lever 25 and the suppression partition plate 17 .
In this case, the lower end of the restraining partition plate 17 is rotated counterclockwise in FIG. A gap 33 is formed between the lower end of the plate 17 and the case inner surface (left side plate 31) 32 of the case 15, and the grain K flows down through this gap 33 (Figs. 1 and 2).

On the other hand, the upper end of the restraining partition plate 17 always forms the overflow space S between the right side plate 35 of the case 15, and when a certain amount of grains K accumulates on the upper surface (surface) of the restraining partition plate 17, It is constructed so that the overflowing grains K pass through the overflow space S and move to the lower side of the case 15.例文帳に追加
Therefore, the grains K flowing down into the case 15 from the inflow port 16 of the case 15 accumulate on the restraining partition plate 17, and the following grains K fall on the accumulated grains K to absorb the impact. The occurrence of damage such as cracking of the grains K is suppressed, and when the amount of the grains K accumulated on the restraining partition plate 17 exceeds a predetermined amount, the grains K overflow into the overflow space S and the restraining partition plate 17 In this way, the flow of the grains K is suppressed while preventing the grains K from being clogged.

Therefore, the amount of grains K flowing from the upper side pipe 2 to the crush prevention flow suppressing device 1 and the amount of grains K flowing out from the lower side pipe 2 of the case 15 below the suppressing partition plate 17 are the same. Although the amount of grains K conveyed does not change, the grains K can be retained by the restraining partition plate 17 to restrain the flow of the grains K, and damage such as cracks during conveyance of the grains K can be restrained.
In this case, the lateral width X of the portion of the case 15 where the restraining partition plate 17 is provided is formed to be larger than the lateral width Y of the case 15 below the lower end of the restraining partition plate 17 to secure the overflow space S. (Fig. 1).

An opening 37 is provided in the left side plate 31 of the case 15 where the restraining partition plate 17 is provided.
In addition, the lateral width X of the case 15 at the portion where the restraining partition plate 17 is provided is formed longer than the entire length of the restraining partition plate 17, and the inspection lid 30 is removed to open the opening 37, and the restraining partition plate 17 is removed. When placed horizontally (FIG. 6), the mounting portion 18 of the restraining partition plate 17 and the mounting shaft 19 can be visually recognized. Maintenance such as cleaning of the partition plate 17 and the inside of the case 15 can be performed.

In addition, a transparent inspection window (see-through window) 39 is provided above the mounting shaft 19 of the front plate 38 of the case 15 (Fig. 5), and the storage amount of the grains K on the restraining partition plate 17 and the overflow space S The grains K overflowing into the tank can be visually recognized, thereby adjusting the inclination angle of the restraining partition plate 17.例文帳に追加
A foreign matter removing portion 41 for removing foreign matter such as vinyl pieces, strings, bolts, screws, metal powders, etc. from the grains K is provided below the buffer portion 40 constituted by the restraining partition plate 17 of the case 15 and the overflow space S. is provided (Figs. 1 and 2).
The foreign matter removing section 41 provides a substantially horizontal sorting net 42 below the buffer section 40 . The sorting net 42 is placed on a pair of front and rear supports 44 (FIGS. 9 and 10) provided on a mounting member 43 detachably attached to the case 15. It is mounted by inserting it from the lower opening 45 provided in the left side plate 31 of the case 15 (FIGS. 1 and 2).

The support body 44 is composed of a vertical plate member elongated in the left-right direction, and the base of the support body 44 is fixed to the mounting member 43 to be mounted.
A handle 47 is provided on the surface of the mounting member 43 for inserting and removing the mounting member 43 from the lower opening 45 .
46 is an inclined portion, which guides grains K to the sorting net 42 .
Reference numeral 46A denotes an engaging portion of the sorting net 42, which suppresses vertical movement of the sorting net 42 when the foreign matter removing portion 41 is inserted through the lower opening 45. As shown in FIG.
A mounting member 43 below the sorting net 42 is provided with a magnet 48 that attracts (adheres) and removes bolts, metal pieces, or metal powder. The magnet body 48 is formed in the shape of a laterally extending shaft having a predetermined magnetic force, and a plurality of magnet bodies 48 are arranged in parallel in the vertical direction or in the front and rear direction.

The foreign matter removing unit 41 is mounted by fixing the bases of the support 44 and the magnet 48 to the mounting member 43, and the tips of the support 44 and the magnet 48 as free ends.
Below the foreign matter removing section 41, a foreign matter receiving tray insertion hole 51 of a foreign matter receiving tray 50 for receiving foreign matter to be removed by being positioned below the sorting net 42 and the magnet body 48 is provided (FIG. 10). The foreign matter receiving tray 50 is removed from the foreign matter receiving tray insertion hole 51 during normal processing work and used for maintenance work.

Between the case 15 and the mounting member 43 of the foreign matter removing section 41, a locking device 52 called a snap lock or a catch clip is provided. In this example, the front and rear plates 38 of the case 15 are provided with locking members 52 , respectively, and the mounting member 43 side of the foreign matter removing section 41 is provided with an engaging body 53 with which the locking members 52 are engaged.

FIG. 12 shows a configuration in which a crushing prevention flow suppressing device 1 is provided in a conveying device H that conveys grains K such as rice, wheat, feed, etc. by air. The inside of the pipe 2 is sucked by the air blower 60, and the grain K is pneumatically conveyed from the staking hopper 61 provided on the starting end side of the pipe 2 to the storage tank 63 that stores the grain K. A crush-preventing flow restricting device 1 is provided on the side pipe 2 .

Therefore, the grain K transported by the suction air from the blower 60 is transported through the curved pipe 2, and the transport resistance is relieved by the buffer part 40 of the crush prevention flow control device 1, and the cracked grain It is possible to prevent the occurrence of broken rice and the occurrence of broken rice, and the foreign matter in the grain K that is sucked and dropped in a state where the flow is suppressed by the storage space T and the overflow space S by the foreign matter removing part 41 can be removed without damaging the grain K. .

The configuration of the conveying device H is arbitrary, but as an example, a grain separating device 64 for separating the grains K from the conveying wind that conveys the grains is provided on the upper side of the storage tank 63 in the conveying direction.
The grain separator 64 of the present embodiment is provided with a powdery substance removing device 65 for removing the powdery substance F generated by scraping the surface of the grain such as bran or bran.
In this case, the powdery matter removing device 65 is provided in the grain separating device 64, which separates the grains from the conveying air, and further removes powdery matter such as bran or bran on the surface of the grains. Remove F.

The grain separating device 64 blows the grains put into the stake hopper 61 and pneumatically conveyed to the grain separating device 64 with the conveying air into the grain separating device 64 and drops them while rotating them. The grain is separated from the carrier wind by attenuating the carrier wind.
When separating the grains and the conveying air, the powdery matter F is removed by the powdery matter removing device 65, the removed powdery matter F is sucked and separated from the grains, and the separated powdery matter F is exhausted and conveyed to the powder separation device 66 through the pipe 2 for exhausting the carrier air from the grain separation device 64, and the powder F separated by the powder separation device 66 is discharged from the exhaust part of the blower 60. It is transported and collected to the powdery material collecting section 67 by compressed air.

On the other hand, the grains from which the powder F has been removed and the air are separated enter the storage tank 63 and are supplied from the storage tank 63 to the next process G such as color sorting, weighing, and bagging.
The powdery matter removing device 65 in the grain separating device 64 forms a suction chamber 70 between the outer periphery of the porous inner cylindrical portion 68 and the outer case 69, and connects the suction chamber 70 with the pipe 2 for suction. there is
From the suction chamber 70 in the grain separating device 64, the powdery matter in the grain K inside the porous inner cylinder portion 68 of the powdery matter removing device 65 is sucked, and the sucked powdery matter is pneumatically conveyed through the pipe 2. The conveyed powdery matter F is separated by a powdery matter separation device (dust cyclone) 66 that separates it from the conveying air, and is conveyed to and recovered by a powdery matter recovery unit 67 .

(Action of Embodiment)
The present invention has the above configuration, and the grains K (conveyed goods) in the plurality of rice delivery tanks 4 of the grain storage facility 3 are discharged and conveyed by the horizontal conveyor 6, and the grains K conveyed by the horizontal conveyor 6 is supplied to the supply section (supply hopper) of the elevator 5 , fried, and transported to the sub-tank 8 through the pipe 2 .

In this case, when the grains (grains K) simply lifted by the elevator 5 are conveyed to the sub-tank 8 through the pipe 2, the grains K collide with the inner peripheral surface of the metal inside the sub-tank 8. The grain K is cracked, resulting in cracked grains and broken rice.
In the present invention, since the crush-preventing flow suppressing device 1 is provided at the lower portion of the pipe 2, the crushing-preventing flow suppressing device 1 mitigates the impact of the inflow of the grains (grains K), resulting in cracked grains and broken rice. Prevent occurrence.

In the crush-preventing flow suppressing device 1, the lower part of the pipe 2 on the upstream side in the conveying direction is connected to the upper part of the case 15, and the suppressing partition plate 17 is provided below the inlet 16 in the upper part of the case 15. The grains K flowing down from 16 fall on the grains K stored on the restraining partition plate 17 and the impact is absorbed, thereby preventing cracked grains and broken rice.
The restraining partition plate 17 is formed in a flat plate shape, and is provided below the inflow port 16 so as to protrude in a direction crossing the falling direction of the grain K when viewed from the front, so that the restraining partition plate 17 receives the grain K. To suppress the flow of grains K and to prevent the grains K from being crushed or cracked during transportation.

Since the restraining partition plate 17 is configured so that the inclination angle can be adjusted by the adjusting mechanism 21, the degree of accumulation of the grains K on the restraining partition plate 17 can be adjusted by adjusting the inclination angle of the restraining partition plate 17 with the adjusting mechanism 21. Adjustable.
The adjusting mechanism 21 has an operation lever 25 attached to the mounting shaft 19 , and the operation lever 25 is rotatably attached to the center of the mounting shaft 19 .

The adjusting mechanism 21 has an arc-shaped movement groove 26 centered on the mounting shaft 19 in the operation lever 25, and a fixed dial 27 is mounted in the movement groove 26 for fixing the tilt angle of the control partition plate 17 whose angle is adjusted. When the adjustment mechanism 21 loosens the fixed dial 27 and rotates the operation lever 25 about the mounting shaft 19 by the knob portion 28 of the operation lever 25, the inclination angle of the restraining partition plate 17 is changed, and the flow of the grains K is controlled. After adjusting the degree of suppression, the fixing dial 27 can be tightened to fix the rotation of the operation lever 25 and the suppression partition plate 17, thereby changing the inclination angle of the suppression partition plate 17 and the grain K. flow suppression condition can be adjusted.

In this case, the lower end of the restraining partition plate 17 rotates counterclockwise in FIG. A gap 33 is formed between the lower end of the restraining partition plate 17 and the case inner surface (left side plate 31) 32 of the case 15, and the grain K flows down through this gap 33. The grains K flowing down into the case 15 from the inflow port 16 accumulate on the restraining partition plate 17, and the subsequent grains K fall onto the accumulated grains K, thereby mitigating the impact of the collision and causing the grains K to fall. The occurrence of damage such as cracks can be suppressed.

On the other hand, since the overflow space S of a predetermined volume is always formed between the upper end of the restraining partition plate 17 and the right side plate 35 of the case 15 , the grains K remain on the upper surface (surface) of the restraining partition plate 17 . The grains K accumulated in a predetermined amount and overflowing over this flow move downward in the case 15 through the overflow space S, so that the flow of the grains K is suppressed while preventing the grains K from clogging.

That is, if only the flow is suppressed by the suppression partition plate 17, the grains K are clogged in the case 15 of the flow suppression device 1 for preventing crushing. Since the flow space S is provided, the amount of grains flowing in from the upper side pipe 2 and the amount of grains flowing out from the lower side pipe 2 match, and the grains K are stored by the restraining partition plate 17 to prevent the grains K from flowing. can be suppressed, and damage such as cracks during transportation of the grain K can be suppressed.

In this case, the lateral width X of the portion of the case 15 where the restraining partition plate 17 is provided is formed to be larger than the lateral width Y of the case 15 below the lower end of the restraining partition plate 17. The overflow space S can be secured on one side.
Further, an opening 37 is provided in the left side plate 31 of the case 15 where the restraining partition plate 17 is provided. When the lid 30 is removed, maintenance can be performed through the opening 37. - 特許庁

In addition, the lateral width X of the case 15 at the portion where the restraining partition plate 17 is provided is formed longer than the entire length of the restraining partition plate 17, and the inspection lid 30 is removed to open the opening 37, and the restraining partition plate 17 is removed. In the horizontal state, the mounting portion 18 of the restraining partition plate 17 and the mounting shaft 19 can be visually recognized. 17 can be detached, and maintenance such as cleaning of the removed restraining partition plate 17 and the inside of the case 15 can be performed.

In addition, since a transparent inspection window (see-through window) 39 is provided in a portion above the mounting shaft 19 of the front plate 38 of the case 15, the storage amount and overflow of the grain K on the restraining partition plate 17 can be seen from the inspection window 39. The grains K overflowing into the flow space S can be visually recognized, whereby the inclination angle of the restraining partition plate 17 can be adjusted, and the adjustment can be easily performed.

A foreign matter removing portion 41 for removing foreign matter such as vinyl pieces, strings, bolts, screws, metal powders, etc. from the grains K is provided below the buffer portion 40 constituted by the restraining partition plate 17 of the case 15 and the overflow space S. is provided, the foreign matter in the grain K that has fallen from the storage space T and the overflow space S in a state where the flow is suppressed can be removed without damaging the grain K.

The foreign matter removing unit 41 has a sorting net 42 placed on a pair of front and rear supports 44 provided on a mounting member 43 . Since it is installed by inserting it through the lower opening 45 provided in the bottom, it is easy to attach and detach, and maintenance including removal of foreign matter can be facilitated.

The support 44 is made of a plate member elongated in the left-right direction, and the base of the support 44 is fixed to the mounting member 43, so that the foreign matter removing section 41 can be simply constructed, and the sorting net 42 can be replaced by the support. 44 and can be easily attached and detached.
Since a handle 47 is provided on the surface of the mounting member 43 for inserting and removing the mounting member 43 from the lower opening 45 , the mounting member 43 can be easily inserted and removed using the handle 47 .

Since the mounting member 43 below the sorting net 42 is provided with a magnet 48, the predetermined magnetic force of the magnet 48 attracts (adheres) bolts, metal pieces, or metal powder in the grains K and removes them. can.
Since the magnet body 48 is formed in the shape of a shaft extending in the horizontal direction, the space above and below the foreign matter removing section 41 can be made small.

The foreign substance removing unit 41 is mounted by fixing the bases of the support 44 and the magnet 48 to the mounting member 43, and the tips of the support 44 and the magnet 48 are free ends. , easy to put on.
That is, between the case 15 and the mounting member 43 of the foreign object removing section 41, a locking device 52 called a snap lock or a catch clip is provided, and the locking devices 52 are provided on the front and rear plates 38 of the case 15, respectively. Since the engaging member 53 with which the engaging member 52 engages is provided on the attachment member 43 side of the foreign matter removing portion 41, when the attaching member 43 is inserted into the case 15 and the engaging member 53 engages the engaging member 52, , installation is complete.

Below the foreign matter removing section 41, there is provided a foreign matter receiving tray insertion hole 51 of a foreign matter receiving tray 50 positioned below the sorting net 42 and the magnet body 48 to receive the foreign matter to be removed. During work, it is removed from the foreign matter receiving tray insertion hole 51, and when performing maintenance work after the work is completed, the foreign matter receiving tray 50 is inserted and set in the foreign matter receiving tray insertion hole 51, and the mounting member 43 of the foreign matter removing section 41 is attached and detached. After the maintenance of the foreign matter removing portion 41 is completed, the foreign matter receiving tray 50 is pulled out from the foreign matter receiving tray insertion hole 51 and removed.

In the other embodiment of FIG. 12, the air blower 60 is driven to suck the inside of the pipe 2 and convey the grains K with the sucked conveying air, and the grains K are supplied to the stocking hopper 61 and supplied. The grains K that have been collected are pneumatically conveyed to the storage tank 63 .
In this case, since the flow suppressing device 1 for preventing crushing is provided in the pipe 2 on the upper side of the transfer of the storage tank 63, the grain K transported by the transport air from the blower 60 is transported inside the curved pipe 2. The buffering section 40 of the flow control device 1 for preventing crushing mitigates the transport resistance when the grains are crushed, preventing the occurrence of cracked grains and broken rice. Foreign matter in the grain K that is sucked and dropped in a state where the flow is suppressed can be removed without damaging the grain K. - 特許庁

That is, the grains K strained in the straining hopper 61 are conveyed to a position higher than the grain separation device 64 that separates the grains K from the conveying wind provided in the upper part of the storage tank 63, and then fall. Since it enters the grain separator 64, if the pipe 2 is bent or curved during the dropping process, the conveyance resistance increases. 1 is provided, the transportation resistance is reduced, and cracked grains and broken rice can be prevented.

The configuration of the conveying device H is arbitrary, but as an example, a grain separating device 64 for separating the grains K from the conveying wind that conveys the grains is provided on the upper side of the storage tank 63 in the conveying direction.
The grain separator 64 of the present embodiment is provided with a powdery substance removing device 65 for removing the powdery substance F generated by scraping the surface of the grain such as bran or bran.
In this case, the powdery matter removing device 65 is provided in the grain separating device 64, which separates the grains from the conveying air, and further removes powdery matter such as bran or bran on the surface of the grains. Remove F.

The grain separating device 64 blows the grains fed into the staked hopper 61 and pneumatically conveyed to the grain separating device 64 into the grain separating device 64 together with the conveying wind, and drops the grains while rotating. , attenuate the conveying wind and separate the grain from the conveying wind.
When separating the grains and the conveying air, the powdery matter F is removed by the powdery matter removing device 65, the removed powdery matter F is sucked and separated from the grains, and the separated powdery matter F is exhausted and conveyed to the powder separation device 66 through the pipe 2 for exhausting the carrier air from the grain separation device 64, and the powder F separated by the powder separation device 66 is discharged from the exhaust part of the blower 60. It is transported and collected to the powdery material collecting section 67 by compressed air.

On the other hand, the grains from which the powdery matter F has been removed and the air is separated enter the storage tank 63 and are supplied from the storage tank 63 to the next process such as color sorting, weighing, and bagging.
The powdery matter removing device 65 in the grain separating device 64 forms a suction chamber 70 between the outer circumference of an inner cylindrical portion 68 formed of a perforated plate having a diameter smaller than that of the grain K and an outer case 69. is connected to the pipe 2 for sucking the

From the suction chamber 70 in the grain separating device 64, the powdery matter in the grain K inside the porous inner cylinder portion 68 of the powdery matter removing device 65 is sucked, and the sucked powdery matter is pneumatically conveyed through the pipe 2. The conveyed powdery matter F is separated by a powdery matter separation device (dust cyclone) 66 that separates it from the conveying air, and is conveyed to and recovered by a powdery matter recovery unit 67 .

DESCRIPTION OF SYMBOLS 1... Flow control device for crushing prevention, 2... Piping, 3... Grain storage facility, 4... Rice delivery tank, 5... Elevator, 6... Horizontal feed conveyor, 7... Upper discharge port, 8... Sub-tank, 9... Feeding device, DESCRIPTION OF SYMBOLS 10... Weighing device, 11... Discharge port, 12... Conveying apparatus, 15... Case, 16... Inlet, 17... Control partition plate, 18... Mounting part, 19... Mounting shaft, 20... Bolt, 21... Adjusting mechanism, 25 Operation lever 26 Movement groove 27 Fixed dial 28 Knob 30 Inspection lid 31 Left side plate 32 Case inner surface 33 Gap 35 Right side plate 37 Opening 38 Front plate 39 Inspection window 40 Buffer part 41 Foreign matter removal part 42 Sorting net 43 Mounting member 44 Support body 45 Lower opening 47 Handle 48 Magnet body 50 Foreign matter receiving tray 51 Foreign matter receiving tray insertion hole 52 Locking tool 53 Engaging body 60 Blower 61 Stake-in hopper 63 Storage tank 64 Grain separation device 65 Powder Object removing device 66 Powder separating device 67 Powder recovery part 68 Inner cylinder 69 Outer case 70 Suction chamber H Conveying device K Grain S Overflow Space, T... Storage space.

Claims (10)

The lower part of the conveying direction upper pipe 2 for conveying the grain K from the upper side is connected to the upper part of the case 15, the upper part of the conveying direction lower pipe 2 is connected to the lower part of the case 15, and the upper part in the case 15 Grains conveyed between the lower end of the restraining partition plate 17 and one side surface of the case 15 are provided with a restraining partition plate 17 inclined with respect to the conveying direction of the grain K in the case 15 so that the inclination angle can be changed. Crushing-preventing flow suppression forming a storage space T in which K is stored in contact with the suppression partition plate 17, and forming an overflow space S in which the grains K overflowing from the storage space T spill out on the side of the storage space T. Device. In claim 1, a gap 33 is formed between the lower end of the restraining partition plate 17 and the case inner surface 32 of the case 15 in the storage space T, and the grains K flow down through the gap 33. , the upper end of the restraining partition plate 17 always forms an overflow space S between the right side plate 35 of the case 15, and when a predetermined amount of grains K accumulates in the storage space T in the overflow space S, the overflowed grains A crush-preventing flow restraint device configured so that grains K move through the overflow space S to the bottom of the case 15 . In claim 1 or claim 2, the suppression partition plate 17 is rotatably attached to the case 15 by the mounting shaft 19, and the inclination angle is adjustable by the adjusting mechanism 21 attached to the mounting shaft 19. . In claim 3, the adjusting mechanism 21 has an operating lever 25 attached to one end of the mounting shaft 19, the operating lever 25 is provided with an arc-shaped moving groove 26 centered on the mounting shaft 19, and the moving groove 26 is provided with a fixed dial. 27 to prevent crushing. In claims 1 to 4, an opening 37 is provided in the left side plate 31 of the case 15 on both sides of the restraining partition plate 17, and the inspection lid 30 is detachably attached to the opening 37. . In claim 5, the opening 37 and the inspection lid 30 are configured so that when the inspection lid 30 is removed, the mounting portion between the mounting portion 18 of the restraining partition plate 17 in the substantially horizontal state and the mounting shaft 19 can be visually recognized. anti-fragmentation flow restraint device. A crush-preventing flow restraining device according to any one of claims 1 to 6, wherein a transparent inspection window (39) is provided above the mounting shaft (19) of the front plate (38) of the case (15). In claims 1 to 7, a foreign matter removing portion 41 for removing foreign matter from the grain K is provided below the buffer portion 40 formed by the suppressing partition plate 17 of the case 15 and the overflow space S. Anti-flow restraint device. In claim 8, the foreign matter removing section 41 detachably attaches a substantially horizontal sorting net 42 to the mounting member 43 below the buffer section 40, and a magnet having a predetermined magnetic force is attached to the mounting member 43 below the sorting net 42. A crush-preventing flow suppressing device having a structure in which a body 48 is provided, and a mounting member 43 is attached to and detached from the case 15 by inserting and removing it from a lower opening 45 provided in the left side plate 31 of the case 15 . The grain K flows into the case 15 from the pipe 2 on the upper side of the case 15, the grain K that has flowed in is stored in the storage space T on the inclined suppression partition plate 17, and the grain stored on the suppression partition plate 17. The grains K are dropped from the gap 33 between the lower end of the restraining partition plate 17 and the inner surface of the case 15, and a predetermined amount of grains accumulated in the storage space T is discharged from the overflow space S provided on the side of the storage space T. A crush-preventing flow control method for moving the overflowing grains K to the lower side of the case 15.

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