JP2015067395A - Cereal grain elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator which clears an elevator's elevating box body of residual grains to clean it while removing the grains on the grain receiving face of a conveyor bucket in spite of making the installation constitution firm with an elevator's height reduced.SOLUTION: In a cereal grain elevator, the lower part of an elevating box body (11) is mounted on the top face of an elevator's bottom box body (H) having a wider installation area than the elevating box body (11) to constitute the elevator's bottom box body (H) so as to comprise the base end part (3) of a lower part of the elevating box body (11) and an extension part (16) projecting outside of the elevating box body (11) and form a cavity inside to communicate with the internal space of the elevating box body (11). A bucket (13) rotating at a lowest end position of the elevating box body (11) is constituted so as to rotate in a state of projection downward from the lower end of the elevating box body (11) and while passing through the cavity of the elevator's bottom box body (H). The cereal grain elevator comprises a nozzle (20) that supplies transfer air, thereby transferring residual grains in the cavity inside the base end part (3) to the extension part (16).

Description

  The present invention relates to an elevator used for a grain preparation machine or the like.

  In the elevator, a receiving part for receiving grains is provided at the lower part of the elevator body, and the receiving part is closed from below with an opening receiving part having a bottom opening and the opening receiving part can be opened and closed freely. It is well-known that it is composed of a drawer bottom plate portion to be constructed, the drawer bottom plate portion of the catching portion is configured to be freely drawable, and the grain remaining on the bottom portion is removed from the drawer bottom plate portion (patent document 1). .

  Moreover, in the elevator, a bottom plate of the cereal cylinder is provided with a bottom plate, one bottom plate is provided below the rotation raising side of the conveyor bucket, and the other bottom plate is arranged below the rotation lowering side of the conveyor bucket. The bottom end of one bottom plate is fixed in close contact with the bottom wall, the bottom end of the other bottom plate is not in close contact with the bottom wall, and a blowing port is formed there, and a blast fan is connected to the blowing port via a switching valve. It is known that the residual rice at the bottom of the elevator is taken out by a blast (Patent Document 2).

JP 2009-132525 A JP 63-282016 A

  In invention of patent document 1, it is the structure which provides the receiving part which receives a grain in the bottom part of the raising cylinder of an elevator, and provides a drawer bottom board part in a receptacle part so that extraction is possible, and an elevator is the height of a drawer bottom board part. There is a problem that it gets higher.

  Moreover, in the invention of Patent Document 2, since the air blowing port is formed at the bottom of the elevator, the height of the elevator is increased by the height of the blowing port. In addition, it is configured to blow up and collect the residual grains from the bottom by blowing the air in the same upward rotation direction from below to the bucket of the conveyor that moves up and down from the inlet, and the entire amount of residual grains is accommodated in the conveyor bucket It is difficult to do so, and there is a problem that grains remain on the bottom of the elevator.

  Therefore, the present invention removes and removes residual grains from the elevator box body of the elevator while removing the grains on the grain receiving surface of the conveyor bucket while lowering the height of the elevator and strengthening the installation configuration. It is intended to provide a lifting machine.

In order to solve the above problems, the present invention has taken the following technical means.
According to the first aspect of the present invention, an elevating belt (14) with a bucket (13) is provided in the interior space of the elevating box (11), and the lower part of the elevating box (11) is installed in a lower area than the elevating box (11). It is attached to the upper surface of a wide elevator bottom box (H), and the elevator bottom box (H) protrudes outward from the base end (3) of the lower part of the elevator box (11) and the elevator box (11). An extending portion (16) that forms a hollow portion and communicates with the internal space of the lifting / lowering box body (11), and rotates at the lowermost position of the lifting / lowering box body (11). The bucket (13) that is configured to rotate while passing through the cavity of the elevator bottom box (H) while protruding downward from the lower end of the elevator box (11),
The extending portion (16) is provided with an open / close lid (17), a nozzle (20) for supplying transfer air toward the cavity in the base end portion (3) is provided, and the base end portion (3) The residual grain in the inner cavity is transferred to the extension part (16).

  The invention of claim 2 is characterized in that, in the invention of claim 1, air is supplied from the nozzle (20) toward the grain receiving surface of the bucket (13) at the lowest end position.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the nozzle (20) is provided on the side of the charging hopper (19) provided on one side of the lower part of the elevating box (11), and the extending portion (16 ) On the other side of the lifting box (11).

  According to the first aspect of the present invention, by passing the lower end lifting and lowering rotation locus of the bucket 13 through the cavity portion of the base end portion 3, the lower end portion of the elevator bottom portion can be disposed in the cavity portion of the base end portion 3, It is possible to reduce the cost by reducing the height.

Moreover, the installation configuration of the elevator can be made strong and stable by making the base end portion 3 an installation area larger than the installation area of the elevator box body 11 in plan view.
In addition, the grains that have fallen from the elevator to the hollow portion of the base end portion 3 can be blown out and collected to the extending portion 16 of the bottom box body by air conveyance, and the opening / closing lid 17 can be easily opened.

  According to the invention of claim 2, the end side of the nozzle 20 faces the grain receiving surface of the bucket 13, and air is blown out in the direction opposite to the upward rotation direction of the bucket 13, thereby At the time of cleaning and taking out, the lifting belt 14 and the bucket 13 are blown up and down and blown from the nozzle 20 so that the residual grain can be satisfactorily conveyed to the extending portion 16 and the residual grain can be reduced.

  According to the invention of claim 3, the opening / closing operation of the opening / closing lid 17 can be facilitated. Further, it is not difficult to load the charging hopper 19.

Diagram explaining the bottom of the elevator The figure explaining the bottom of the preparation equipment seen from the plane Diagram explaining the bottom of the elevator The side view of an elevator. The rear view of an elevator. The side view of an elevator. The rear view of an elevator.

Embodiments of the present invention will be described below with reference to the drawings.
The first elevator 4 includes a vertically elongated elevator box 11, a pulley 12 supported on both upper and lower ends of the elevator box 11, and an elevator belt 14 with a number of buckets 13 wound around the upper and lower elevator pulley 12. It is a well-known thing comprised by these. In addition, the 2nd elevator 6 and the 3rd elevator 5 mentioned later are comprised similarly.

  The bottoms of the lift boxes 11 of the first lift 4, the second lift 6, and the third lift 5 have a larger installation area than the bottom of the lift box 11 in plan view and form a cavity inside. A base end 3 of a bottom box made of a plate is provided. For example, a bolt is fastened to the upper surface of the base end portion 3 of the bottom box body.

  The rotating bucket 13 is configured such that a part or the whole protrudes downward from the lower end of the elevating box body 11 and rotates, and the bucket 13 rotating at the lowermost end passes through the cavity of the base end portion 3 of the bottom box body. While rotating.

  An extension 16 of the bottom box projecting outward from the elevator bottom box is formed from the cavity 2a through which the bucket 13 passes and rotates at the base 3 of the bottom box, and the cavity of the base 3 of the bottom box is formed. The portion 2a and the hollow portion 2b of the extending portion 16 of the bottom box body communicate with each other, and an opening / closing lid 17 is provided on the upper portion of the extending portion 16 of the bottom box body. In the present embodiment, the base end 3 of the bottom box and the extending portion 16 of the bottom box are integrally configured, and may be collectively referred to as an elevator bottom box H. Further, the hollow portion 2a of the base end portion 3 of the bottom box body and the hollow portion 2b of the extending portion 16 of the bottom box body may be collectively referred to as the bottom box hollow portion 2.

  Further, the end side of the nozzle 20 is connected to the side where the bucket 13 rises and rotates at the base end portion 3 of the bottom box body, and air is blown from the blower (not shown) to the nozzle 20 so that the bucket 13 rises and rotates. Air is blown out in the opposite direction, blown toward the grain receiving recess of the bucket 13 and the cavity 2a of the base end 3 of the bottom box, and the grain receiving recess and the kernel of the bottom box are extended to the bottom box. It blows out into the cavity 2b of the installation part 16. Then, the opening / closing lid 17 is opened to collect.

  According to the said structure, the lower end raising / lowering rotation locus | trajectory of the bucket 13 of the 1st elevator 4 is allowed to pass through the cavity part 2a of the base end part 3 of a bottom box body, and the lower end part of an elevator bottom part is made into the base end part 3 of a bottom box body. Can be placed in the hollow portion 2a of the first elevator 4 to reduce the overall height of the first elevator 4 to reduce costs, lower the installation position of the grain input hopper 19 attached to the lower part of the first elevator 4 and input the grain Can be made easier.

Moreover, the installation structure of the 1st elevator 4 can be made strong and stable by making the base end part 3 of the bottom box body larger installation area than the installation area of the raising / lowering box body 11 by planar view.
In addition, the grains dropped from the first elevator 4 to the hollow portion 2a of the base end portion 3 of the bottom box body are blown out and collected to the extended portion 16 of the bottom box body by air transportation, and the opening / closing lid 17 is opened and taken out easily. Can do.

  Further, the nozzle 20 is provided on the side of the charging hopper 19 provided on the lower side of the lifting box body 11, and the extending portion 16 of the bottom box body is provided on the other side of the lifting box body 11, thereby opening and closing the opening / closing lid 17. Can make it easier.

  Further, an inclined guide plate 22 is disposed opposite to the cavity on the side where the bucket 13 ascends at the base end 3 of the bottom box so as to follow the tip ascending rotation locus of the bucket 13. The upper end surface of the inclined guide plate 22 and the grain receiving recess of the bucket 13 face the end side of the nozzle 20 so that air is ejected in a direction opposite to the upward rotation direction of the bucket 13.

  Thus, when the residual grain is cleaned and taken out, if the air is blown from the nozzle 20 while the elevating belt 14 and the bucket 13 are rotated up and down, the residual grain is satisfactorily supplied to the extending portion 16 of the bottom box using the inclination of the inclined guide plate 22. Can be conveyed by air, and reduction of residual grains can be achieved.

Next, another embodiment will be described with reference to FIGS.
The first elevator 4, the second elevator 6, and the third elevator 5 of the preparation equipment T such as a huller are arranged. The first elevator 4 is erected on the left side on the front side of the preparation facility T, the second elevator 6 is erected on the right side, the third elevator 5 is erected on the left side on the rear side, and the grain collection box 24 is provided on the right side. Is arranged.

  The lower space part of the lifting box body 11 of the first elevator 4 and the lower space part of the lifting box body 11 of the second elevator 6 are connected by the first wind tunnel 26 along the left-right direction, and the lower space of the second elevator 6 And the grain recovery box 24 are connected by a second wind tunnel 27 along the front-rear direction, and the lower space part of the third elevator 5 and the grain recovery box 24 are connected by a third wind tunnel 28 along the left-right direction. Connected. That is, in other words, the first wind tunnel 26 has a configuration in which the elevator bottom box H of the first elevator 4 and the elevator bottom box H of the second elevator 6 are joined and the cavity 2 is communicated.

  Inside the elevator bottom box H of the first elevator 4, the end of the first nozzle 20 a is faced and the wind from the blower is blown out to the right side, and the residual grains inside the elevator bottom box H of the first elevator 4 are discharged. It is made to transfer to the inside of the elevator bottom box H of the second elevator 6 via the first wind tunnel 26.

  Inside the elevator bottom box H of the second elevator 6, the second nozzle 20 b faces the terminal side and blows the wind toward the rear side, and the residual grains inside the elevator bottom box H of the second elevator 6 and the first The residual grains transferred from the elevator 4 are combined and transferred to the rear grain collection box 24 via the second wind tunnel 27.

  Further, the third nozzle 20c faces the terminal side of the third elevator 20 in the third elevator 5 and blows the wind toward the right side, and residual grains in the third elevator 5 in the elevator bottom box H are removed. 3 is transferred to the grain collection box 24 via the wind tunnel 28.

According to the said structure, the residual grain of the 1st elevator 4, the 3rd elevator 5, and the 2nd elevator 6 can be collected in the single grain collection box 24, and can be collect | recovered.
Next, another embodiment will be described with reference to FIGS.

  The bottom part of the lifting box 11 of the first elevator 4 is attached to the base part 3 of the bottom box, and the lifting belt 14 with the bucket 13 is provided in the lifting box 11 so as to be rotatable up and down. The rotating bucket 13 is configured to rotate in a state of being stored above the lowermost end of the lifting / lowering box body 11, and the lower space portion of the lifting / lowering box body 11 and the hollow portion 2a of the base end portion 3 of the bottom box body are formed. Communicating kernels fall. And the discharge spiral 31 is arrange | positioned horizontally in the cavity 2a of the base end part 3 of a bottom box, for example along a front-back direction, and the residual grain of the raising / lowering box 11 is the front start side of the discharge spiral 31 To the rear end side.

  A cereal discharge spiral 32 is erected in the vicinity of the rear of the lifting box 11, the rear end side of the discharge spiral 31 is connected to the lower start end side of the cereal discharge spiral 32, and the upper end side of the cereal discharge spiral 32 is connected. The residual grain is whipped and collected in the grain collection box 36.

  According to the said structure, when a residual grain accumulates in the bottom part of the raising / lowering box 11 and it will be in an overload state, the drive of the 1st elevator 4 will be stopped and the discharge spiral 31 and the whipped grain discharge spiral 32 will be driven. Thus, the overload operation of the first elevator 4 is stopped, and the residual grain is safely discharged to the grain collection box 36 via the discharge spiral 31 and the lifted grain discharge spiral 32, and the residual grain of the first elevator 4 is discharged. The overload condition due to clogging can be easily eliminated.

Next, another embodiment will be described with reference to FIGS.
A grain input hopper 19 is attached to the lower left side of the lifting box 11 of the first elevator 4, and a second input hopper 34 is attached to the right side. The cereal discharge spiral 32 is erected on the rear side (left side in FIG. 9) of the lifting box body 11, and the rear end side of the discharge spiral 31 is connected to the lower start end side of the cereal discharge spiral 32.

  In the long intermediate space along the vertical direction between the ascending and descending elevating belt 14 and the descending and elevating elevating belt 14 in the elevating box body 11, for example, an up and down downflow passage 3 closed with front and rear, left and right iron plates is configured. doing.

  Residual kernels whipped from the upper end side of the cereal discharge spiral 32 are supplied to the upper end of the flow-down passage 3, and from the lower end of the flow-down passage 3 to the two-feed hopper 34 via the detour passage 37 and the second input hopper 34. The kernel is supplied. A shutter valve 38 is provided at the flow-down port of the second charging hopper 34 so as to be openable and closable.

  When residual grain accumulates at the bottom of the lifting box 11 and an overload state occurs, the drive of the first elevator 4 is stopped, the shutter valve 38 of the second input hopper 34 is closed, and the discharge spiral 31 and the lifted grain discharge spiral 32 is driven, and the residual grain is taken out to the second charging hopper 34 via the flow-down passage 3 and the bypass passage 37 to eliminate the overload state. Next, the drive of the discharge spiral 31 and the cereal discharge spiral 32 is stopped, the drive of the first elevator 4 is restarted, the shutter valve 38 is adjusted to open, and the residual grain is transferred from the second input hopper 34 to the first elevator 4. Supply and return to normal operation.

  According to the said structure, the residual grain of the lower part of the 1st raising / lowering machine 4 is taken out safely to the 2nd input hopper 34 via the discharge spiral 31, the lifting grain discharge spiral 32, the flow down passage 3, and the detour passage 37, and the 1st elevator 4 The overload can be easily eliminated. In addition, the flow-down passage 3 can be configured using the internal space of the first elevator 4 to reduce the cost.

3 Elevator bottom box 4 Elevator (first elevator)
6 Second elevator (second elevator)
DESCRIPTION OF SYMBOLS 11 Lifting box body 13 Bucket 14 Lifting belt 16 Extension part 17 of bottom box body Opening-closing lid | cover 20 Nozzle 20b 2nd nozzle 25 Wind tunnel

Claims (3)

A lifting belt (14) with a bucket (13) is provided in the internal space of the lifting box (11),
The lower part of the elevator box (11) is attached to the upper surface of the elevator box (H) having a larger installation area than the elevator box (11),
The elevator bottom box (H) includes a base end (3) of a lower portion of the elevator box (11) and an extending part (16) projecting outward from the elevator box (11), and an internal Forming a hollow portion, and communicating with the internal space of the lifting box (11),
The bucket (13) rotating at the lowermost position of the lifting / lowering box (11) is rotated while passing through the cavity of the lifting / lowering box (H) while protruding downward from the lower end of the lifting / lowering box (11). Configured to
An opening / closing lid (17) is provided on the extending portion (16),
A nozzle (20) for supplying transfer air toward the cavity in the base end (3);
A lifting machine for grains, wherein residual grains in the hollow part in the base end part (3) are transferred to the extension part (16).   The grain elevator according to claim 1, wherein air is supplied from the nozzle (20) toward the grain receiving surface of the bucket (13) at the lowermost position.   In the invention of claim 1 or claim 2, the nozzle (20) is provided on the charging hopper (19) side provided on one side of the lower part of the lifting / lowering box body (11), and the extending portion (16) is provided on the lifting / lowering box body (11). ) Elevator for grain, provided on the other side.

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