JP4971606B2 - Bucket type elevator - Google Patents

Description

  The present invention relates to an apparatus for picking up grains remaining in an elevator after completion of the cerealing operation in an elevator that cereals grains with a bucket.

  The conventional bucket type elevator uses a bucket that rises by a belt that is vertically perpendicular to the ground around which a pulley provided inside the fuselage is provided with a grain supplied from a grain supply port provided at the lower part of the fuselage. Grain up to the grain outlet at the top. A blower nozzle is provided in order to collect the grains left on the bottom plate in the machine after the completion of the cerealing operation (for example, Patent Document 1).

JP 2004-359444 A

However, in such a conventional bucket type elevator, only the grains remaining on the bottom plate in the machine are blown up along the bottom plate by blowing from the blowing nozzle, and the blowing direction is changed by the guide portion provided on the lower side in the blowing direction, In order to collect the grains blown up by crossing with the rising movement path of the bucket, the grains in the bucket are not discharged at the grain discharge port due to the accompanying rotation, and the bottom plate stays in the bucket. In other words, the grains fallen again, or the grains blown up at the staying portions of the devices in the machine stay, and the grains remaining in the machine cannot be removed.
Accordingly, an object of the present invention is to provide a bucket type elevator that reliably removes residual grains.

For this reason, the invention according to claim 1 winds a grain supply port provided at the lower part of the apparatus, a grain discharge port provided at the upper part of the apparatus, and pulleys provided respectively at the upper and lower parts in the apparatus. A plurality of buckets attached to the belt to be worn at regular intervals, and an air nozzle that ejects compressed air into the device, and the grains supplied to the grain supply port are continuously raised by the buckets, In the bucket type elevator for continuously releasing the grain in the bucket at the grain discharge port and removing the grain left on the bottom of the bottom moving rod in the lower part of the apparatus with the air nozzle, The grain supply port at the rear part of the apparatus, and the air nozzle at the upper part of the grain supply port at the rear part of the apparatus, and the blowing angle of the air nozzle is determined by the rear plate of the apparatus and the rear end of the bottom moving rod. For tangents passing through the intersection While from 60 to 90 degrees, the injection of compressed air and distance between the two second pause after 5 seconds injection and a between said grain outlet bucket, and該穀particle outlet A grain outlet is provided at a position where the grain below the grain falls without reaching the grain outlet.

  The invention according to claim 2 is characterized in that, in the bucket type elevator according to claim 1, the buckets having bottom surfaces having different shapes are freely combined with the belt.

  According to a third aspect of the present invention, in the bucket elevator according to the first aspect, the blower opening of the blower is provided movably in the blowing direction.

  According to a fourth aspect of the present invention, in the bucket type elevator according to the first aspect, the bucket is provided so as to be freely rotatable.

The invention according to claim 5 is the bucket type elevator according to claim 1, wherein the blower is provided inside the grain outlet.

According to invention of Claim 1, the grain supply port provided in the lower part of an apparatus, the grain discharge port provided in the upper part of an apparatus, and the pulley each provided in the upper part and the lower part in an apparatus are wound. A plurality of buckets attached to the belt at regular intervals, and an air nozzle for jetting compressed air into the apparatus, and the grains supplied to the grain supply port are continuously lifted by the bucket, and the buckets at the grain discharge port In a bucket type elevator that continuously disperses the grains in the inside and removes grains left on the bottom of the bottom moving basket in the lower part of the apparatus with an air nozzle, the grain supply port at the rear of the apparatus, and the apparatus An air nozzle is provided on the upper part of the rear grain supply port of the rear part, and the blowing angle of the air nozzle is set to 60 degrees to 90 degrees with respect to a tangent line passing through the intersection of the rear plate of the apparatus and the rear end of the bottom moving rod. , 2 seconds rest after 5 seconds of compressed air injection The distance, and a between grain outlet and the bucket, and the lower the grain outlet, collected grain into position where the grain falls without reaching the grain discharge port outlet Therefore, the grain can be prevented from staying at the grain supply port, and the convection of the grain remaining on the bottom moving basket can be easily generated, and the bucket can be easily picked up. Moreover, the grain in the bucket that has fallen without reaching the grain outlet can be recovered. Therefore, it is possible to provide a bucket elevator that reliably removes residual grains.

  According to the second aspect of the present invention, since the buckets having differently shaped bottom surfaces can be freely combined with the belt, the stagnation of the grains in the staying location in the apparatus due to the blast of the different diffusion directions by each bucket. Can be prevented. Therefore, it is possible to provide a bucket elevator that reliably removes residual grains.

  According to invention of Claim 3, since the ventilation opening of a blower is provided movably with respect to a ventilation direction, it prevents that a grain retains in the residence location in an apparatus by moving a ventilation direction. Can do. Therefore, it is possible to provide a bucket elevator that reliably removes residual grains.

  According to the invention described in claim 4, since the bucket is provided so as to be freely rotatable, the rotation at the time of discharging the grain sown in the bucket to the grain outlet by slowing down the peripheral speed of the bucket. Prevent and drain the grains in the bucket. Therefore, it is possible to provide a bucket elevator that reliably removes residual grains.

According to the fifth aspect of the present invention, since the blower is provided inside the grain discharge port, it is possible to discharge the grains that are not discharged due to being carried around in the bucket when the grains are discharged. Therefore, it is possible to provide a bucket elevator that reliably removes residual grains.

The best mode for carrying out the present invention will be described below with reference to the drawings.
1 is a longitudinal side view of a bucket type elevator as an example of the present invention, FIG. 2 is a longitudinal side view in which the bottom of the bucket type elevator in FIG. 1 is enlarged, and FIG. 3 is an enlarged top view of the bucket type elevator in FIG. A longitudinal side view is shown.

  The bucket type elevator 1 of this example is formed by a front plate 2, a rear plate 3, and left and right side plates 4, and pulleys 5 and 6 having axial centers in the left and right directions are respectively provided at the upper and lower portions inside the bucket type elevator 1. An endless belt 11 is wound around the pulleys 5 and 6. A plurality of buckets 10 having a substantially U shape or the like when viewed from the side in an upward direction are attached to the belt 11 at appropriate intervals.

  A pulley (not shown) provided coaxially with the pulley 5 is rotated by a variable speed motor (not shown) provided at the upper part of the bucket type elevator 1, and from a grain supply port 13 provided at the lower part of the bucket type elevator 1. The bucket 10 is circulated along the belt 11 between the upper and lower sides of the grain outlet 12 and the grain outlet 14 provided at the upper part of the bucket elevator 1.

  The grain supply port 13 is composed of a grain supply hopper 15 for inserting grains (rice, wheat, etc.), an input port 16 of the supply hopper 15, an inclined plate 17 for guiding the grain toward the supply port 13, and the like. ing.

  A bottom moving rod (bottom plate) 20 having a shape such as an arc in a side view is provided below the pulley 6 inside the bucket elevator 1. Further, on the upper part of the grain supply port 13 provided in the rear plate 3, the grain remaining on the bottom moving rod 20 is blown up toward the rising side 21 of the bucket 10 by a blast such as compressed air. An air nozzle (blower) 22 is provided, and an injection port 24 which is one end of the air nozzle 22 is inserted from an insertion portion provided in the rear plate 3. A blower pipe 26 connected to a compressor (not shown) or the like is connected to the other end opposite to the injection port 24.

  The air nozzle 22 is provided so that the jet angle θ of the compressed air jetted from the jet port 24 is 60 degrees or more with respect to the tangent line 1 at the intersection of the rear plate 3 and the rear end of the bottom moving rod 20.

  As shown in FIG. 3, an injection that is one end of an air nozzle 27 provided to blow a blast of compressed air toward the grain in the bucket 10 turned to the lower side, at the upper part of the grain outlet 14. The mouth 28 is inserted from an insertion portion provided on the rear plate or side plate of the grain discharge port 14. A blower pipe 29 connected to a compressor (not shown) or the like is connected to the other end opposite to the injection port 28.

  Further, a tension mechanism (not shown) for adjusting the tension of the belt 11 around which the pulley 6 is wound, or a grain is sandwiched (bite) in a gap between the pulley 6 and the belt 11. The bucket type elevator 1 may include a grain biting prevention device (not shown) for preventing the pulley 6 and the belt 11 from being damaged.

  Here, when the grain is put in from the grain supply hopper 15, the grain enters the bucket lift 1 from the grain supply port 13, accumulates on the bottom moving rod 20, and continuously along the belt 11. Grain is expelled by a plurality of buckets 10 that circulate, and when each bucket 10 is reversed from the upward direction to the downward direction along the outer periphery of the upper pulley 5, the grains are released and discharged from the grain outlet 14. Is done.

  Since the opening 18 of the bucket 10 moves around at a predetermined interval with respect to the bottom moving rod 20 to prevent the grain from being crushed, the bucket 10 cannot be crushed by the bucket 10 during the cerealing operation. The grain that has fallen from the left grain or the bucket 10 remains on the bottom moving basket 20.

  Then, after the cerealing operation is finished, by intermittently injecting compressed air from the injection port 24 of the air nozzle 22 installed at the upper part of the grain supply port 13 onto the kernel remaining on the bottom moving rod 20, The blown up grain is beaten by the bucket 10 located above the ascending side 21 of the belt 11 and is collected at the grain outlet 14 in the same manner as in the above-described graining operation.

  At this time, with respect to the tangent l at the intersection of the rear plate 3 and the rear end of the bottom moving rod 20, the jet angle θ of the compressed air jetted from the jet port 24 is from 60 degrees to around 90 degrees. When the grains remaining on the moving basket 20 are subjected to a blast from an angle close to vertical, the blown-up grains are easily convected, and the grains are easily taken into the bucket 10.

  By intermittently injecting compressed air from the air nozzle 22, the grains that could not be blown up by one injection are once diffused on the bottom moving rod 20, thereby reducing the amount of residual grains compared to the previous injection. As a result, the remaining grains can be blown up in a short time and efficiently by the continuous injection, and can be scooped into the bucket 10. This injection of compressed air is performed at a pressure of, for example, 5 MPa, and the interval between injections is appropriately set according to the type of grain such as a 2-second pause after 5 seconds of injection.

  FIG. 4A shows another shape of the bottom surface of the bucket 10. FIG. 4A is a perspective view of the bucket 10 a whose bottom is the apex of a substantially triangular shape in side view with respect to the opening 18 a, and FIG. It is a perspective view of the bucket 10b from which the bottom part becomes a side view waveform with respect to the part 18b.

  In addition to the substantially U-shaped bucket 10 in side view, by attaching a plurality of buckets 10a or 10b or the like to the belt 11 so as to be freely combinable, at the time of removing the remaining grain after the completion of the cerealing operation The blast that is sprayed by the air nozzle 22 and hits the bottom surface of the bucket 10, the bucket 10a, the bucket 10b or the like and has a different diffusion direction by each bucket, for example, stays in the tension mechanism provided in the apparatus, etc. And then blown up again by the blast of the air nozzle 22 and scooped into the buckets 10, 10a, 10b, etc., and collected.

  In FIG. 5, (a) of the bucket type elevator 1 lower part is a rear view, and (b) is a longitudinal side view. A stepping motor 30 is installed on the side of the air nozzle 22 on the rear plate 3. Since the stepping motor 30 is provided in the air nozzle 22 via a drive shaft (not shown), the air nozzle 22 and the injection port 24 are swung within the angle range set in the vertical direction in conjunction with the movement of the drive shaft. Due to the movement (swinging of the head), for example, the grains staying in the tension mechanism provided in the apparatus due to the change in the direction of the fountain are dropped onto the bottom moving rod 20 and blown up again by the blast and the bucket 10 etc. It is collected and collected.

  As described in detail above, the bucket type elevator 1 of this example has a grain supply port 13 provided at the lower part of the apparatus, a grain discharge port 14 provided at the upper part of the apparatus, and an upper part and a lower part in the apparatus, respectively. A plurality of buckets 10 attached to a belt 11 around which the pulleys 5 and 6 are provided are provided at regular intervals, and an air nozzle (blower) 22 is provided in the apparatus, and an air nozzle is provided above the grain supply port 13 provided at the rear of the apparatus. 22 and the air nozzle 22 has a blowing angle of 60 degrees or more with respect to a tangent l passing through the intersection of the rear plate 3 of the apparatus and the rear end of the bottom moving rod 20. In addition, a bucket having a bottom surface having a different shape can be freely combined with the belt, and the air outlet of the air nozzle 22 is movably provided in the air blowing direction.

  In addition, installation of the grain supply port 13 is not limited to the rear part of the apparatus, but may be installed in both the front part of the apparatus or the front and rear parts of the apparatus. The shape of the bottom surface of the bucket 10 is not limited to a substantially V-shape or a side view wave shape when viewed from the upper side, and may be any shape that diffuses the blast of the air nozzle 22. Further, the swing of the air nozzle 22 is not limited to the vertical direction, and may be horizontal or both vertical and horizontal. In that case, the stepping motor 30 is provided below the air nozzle 22 on the rear plate 3.

  Further, the air blowing from the injection port 24 of the air nozzle 22 is not limited to compressed air, and an inert gas such as nitrogen may be used.

  Here, since the grain beaten in the bucket 10 is discharged to the grain outlet 14 when the bucket 10 turns around the pulley 5 from the rising side to the lowering side, the grain is generated by the centrifugal force at that time. A part of the wrinkle is caused to move around in the bucket 10 and remains without being discharged to the grain outlet 14. For this reason, by providing a variable speed motor (not shown) in the upper part of the bucket type elevator 1, the peripheral speed of the bucket 10 is slowed during the residual grain removing operation after the completion of the cerealing operation. It is possible to prevent surroundings at the time of discharge and discharge to the grain outlet 14.

  Since the grain outlet 12 is provided between the grain outlet 14 and the bucket 10 located near the grain outlet 14, the peripheral speed of the bucket 10 during the residual grain removing operation is slow. When the grain in the bucket 10 falls without reaching the grain outlet 14 due to, for example, too much, the grain can be collected by the grain outlet 12.

  Moreover, since the injection port 28 which is one end of the air nozzle 27 is inserted in the upper part of the grain discharge port 14 from the insertion part provided in the back plate or side plate of the grain discharge port 14, the above grains At the time of grain discharge, it is not discharged to the grain outlet 14 but is rotated by centrifugal force, and the residual grain is forced to the grain remaining in the bucket 10 by the blast from the injection port 28. It can be discharged to the discharge port 14.

  As described in detail above, the bucket type elevator 1 of this example has a grain supply port 13 provided at the lower part of the apparatus, a grain discharge port 14 provided at the upper part of the apparatus, and an upper part and a lower part in the apparatus, respectively. A plurality of buckets 10 attached to a belt 11 around which the pulleys 5 and 6 are provided are provided at regular intervals, and an air nozzle (blower) 22 is provided in the apparatus, and an air nozzle is provided above the grain supply port 13 provided at the rear of the apparatus. 22 and the air nozzle 22 has a blowing angle of 60 degrees or more with respect to a tangent l passing through the intersection of the rear plate 3 of the apparatus and the rear end of the bottom moving rod 20. In addition, the bucket 10 is provided so that the peripheral speed is freely adjustable, the grain outlet 12 is provided between the grain outlet 14 and the bucket 10 located in the vicinity of the grain outlet 14, and the inside of the grain outlet 14 is provided. An air nozzle 27 is provided.

It is a vertical side view which shows an example of the bucket type elevator of this invention. It is the vertical side view which expanded the bottom part of the bucket type elevator of FIG. It is the vertical side view which expanded the upper part of the bucket type elevator of FIG. (A) And (b) is a perspective view of the bucket from which the shape of the bottom part of the bucket type elevator of FIG. 1 differs. 1A is a bottom rear view of the bucket elevator of FIG. 1 with a stepping motor attached, and FIG. 2B is a longitudinal side view in which the bottom is enlarged.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bucket type elevator 2 Front plate 3 Rear plate 4 Left right side plate 5, 6 pulley 10, 10a, 10b Bucket 11 Belt 12 Grain outlet 13 Grain supply port 14 Grain discharge port 15 Grain supply hopper 16 Input port 17 Inclination Plate 18, 18 a, 18 b Opening 20 Bottom moving rod 21 Ascending side 22, 27 Air nozzle 24, 28 Injection port 26, 29 Blower 30 Stepping motor θ Blow angle l Tangential

Claims (5)

A plurality of grains attached at regular intervals to a belt for winding a grain supply port provided at the lower part of the apparatus, a grain discharge port provided at the upper part of the apparatus, and a pulley provided respectively at the upper and lower parts in the apparatus A bucket, and an air nozzle that ejects compressed air into the apparatus, the grain supplied to the grain supply port is continuously raised by the bucket, and the grain in the bucket at the grain discharge port In the bucket type elevator that continuously disperses the grains and removes the grains left on the bottom surface of the bottom moving rod at the lower part in the apparatus with the air nozzle, the grain supply port at the rear part of the apparatus, The air nozzle is provided on the upper part of the grain supply port at the rear of the apparatus, and the air blowing angle of the air nozzle from 60 degrees with respect to a tangent passing through the intersection of the rear plate of the apparatus and the rear end of the bottom moving rod. If it is up to 90 degrees To the injection of compressed air and interval of five seconds post-injection 2 second pause, and the be between grain outlet and the bucket, and該穀particle outlet below the該穀grains wherein A bucket type elevator having a grain outlet at a position where the grain falls without reaching the grain outlet.   The bucket type elevator according to claim 1, wherein the bucket is configured to be freely combined with the bucket having bottom surfaces having different shapes.   The bucket type elevator according to claim 1, further comprising a blower port of the blower movably in a blowing direction.   The bucket type elevator according to claim 1, wherein the bucket is provided with a freely circumferential speed.   The bucket type elevator according to claim 1, wherein the blower is provided inside the grain outlet.

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