JP3693802B2 - Side plate structure of handling room in threshing equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a side plate structure of a handling chamber in a threshing apparatus in which a handling chamber is divided into a fixed frame body and a movable frame body, and the movable frame body that pivotally supports the handling cylinder can be opened and closed with respect to the fixed frame body. It is.
[0002]
[Prior art]
Conventionally, in a threshing device mounted on a combiner or the like, the handling chamber is divided into a fixed frame body and a movable frame body so that the handling chamber can be easily cleaned when the receiving net is clogged. It is known that a movable fulcrum shaft of the movable frame is provided at the upper end of the fixed frame opposite to the feed chain so that the movable frame supported by the handle can be opened and closed together with the handle. It has been.
[0003]
[Problems to be solved by the invention]
In such a threshing device, the handling port extending from the cereal supply port provided in the front plate of the handling chamber to the cereal discharge port provided in the rear plate is opened along the feed chain, so that it opens and closes up and down. The movable frame body is in a state of being supported in a cantilever manner by a rotation fulcrum shaft provided on the fixed frame body. For this reason, during the threshing operation or when the movable frame body is opened and closed, the weight of the movable frame body that pivotally supports the handling cylinder acts intensively on the rotation fulcrum shaft side of the fixed frame body, and the front plate and the rear plate Since the grain supply port and the grain discharge port are largely notched on the feed chain side, the conventional side plate may have insufficient overall strength and may be deformed. However, if the entire side plate has a sufficient thickness, the weight of the side plate will inevitably increase, and in particular, a larger threshing apparatus will cause an increase in weight.
[0004]
The present invention was created in order to solve the above-described problems, and even if a movable frame that pivotally supports a handling cylinder is supported at the upper end of the fixed frame so that it can be opened and closed vertically, The handling in the threshing device that can make the front and rear side plates forming the frame body sufficiently strong from the rotation fulcrum shaft side to the feed chain side and further reduce the weight of the front and rear side plates as much as possible. The object is to provide a side plate structure of the chamber.
[0005]
[Means for Solving the Problems]
To solve the above problems, the technical measure taken by the present invention is to divide the handling chamber to a fixed frame and a movable frame member, the movable frame to the upper end portion of the opposite side of the feed chain of the stationary frame member In the threshing device provided with a pivot fulcrum shaft and capable of vertically opening and closing the movable frame body pivotally supported by the handling cylinder, the vertical pipes in the vertical direction are respectively provided on the pivot fulcrum shaft side of the front and rear side plates forming the fixed frame body the provided, provided with a lateral pipe extending to the feed chain side from said longitudinal pipe, the extending end of the horizontal pipe, characterized in that the concatenation of chain frame for supporting the feed chain rail, also the threshing chamber Dividing the frame into a fixed frame and a movable frame, and providing a pivot point for the movable frame at the upper end of the fixed frame opposite to the feed chain. In the threshing apparatus, the front and rear side plates forming the fixed frame body The dynamic fulcrum shaft side, respectively provided with vertical longitudinal pipe, provided with a lateral pipe extending to the feed chain side from the vertical pipe, the chain frame for supporting the feed chain rail extending end portion of the transverse pipe While being connected, the said horizontal pipe is arrange | positioned in the downward site | part along the shape of the grain supply port and the grain discharge port formed in the front and back side board.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described in detail with reference to the attached drawings of preferred examples. First, in FIGS. 1 to 3, 1 is a handling chamber in which a handling cylinder 2 is pivotally supported, 3 is a feed chain disposed along a handling port, 4 is a feed chain rail, The harvested cereal mash that is held by the feed chain rail 4 and supplied to the handling chamber 1 is threshed by the rotating handling cylinder 2, and the scouring waste after threshing is discharged from the feed end of the feed chain 3 toward the rear of the machine body. Grains, small swarf, etc. that are carried out by the straw transporter and threshed fall through the receiving net 5 stretched in the handling chamber 1 and fall on the peristaltic sorter 7 of the sorting unit 6.
[0007]
Then, it is selected by the peristaltic action of the peristaltic sorter 7 and by the wind-selective action of the persimmon 8 and the sirocco fan 9 so that the fine grains are recovered in the first persimmon 10 and the branch shoots are recovered in the second persimmon 11. The soot and the like are sucked into the exhaust fan 12 and discharged to the rear of the machine body. A spring 13 biases the feed chain rail 4 toward the feed chain 3, and a chain frame 14 winds the feed chain 3.
[0008]
The handling chamber 1 is divided into a fixed frame 15 and a movable frame 16 that can be opened and closed vertically. A rotating fulcrum shaft 17 in the front-rear direction is provided at the upper end of the fixed frame 15 on the opposite side of the feed chain 3, and a rotating arm 18 that supports the movable frame 16 on the rotating fulcrum shaft 17. , 19 are pivotally supported. The front and rear side plates 20, 21 of the movable frame 16 are formed in a box shape in which the plate bodies 20a, 20a and 21a, 21a are opposed to each other. And the movable frame 16 is fixed to the fixed frame 15 by the rotation of the rotation arms 18 and 19 supported by the rotation fulcrum shaft 17. On the other hand, it can be opened and closed vertically. Reference numeral 23 denotes a connecting bar for connecting the front and rear side plates 20 and 21 to each other. The joint plate 22 reinforces the plate bodies 20a and 21a so as not to be deformed when the rotating arms 18 and 19 are bolted.
[0009]
Openings 25 and 26 are formed in the plate bodies 20a and 21a from the lower edge of the plate bodies 20a and 21a, and the bearing bodies 28 and 29 attached to the barrel shaft 27 are connected to the side plates 20 and 21 from the openings 25 and 26. The barrel 2 is pivotally supported on the movable frame 16 by being fitted into the hollow portion and fixed with bolts. The feed chain rail 4 is mounted on the movable frame 16.
[0010]
Reference numeral 30 denotes a front side plate of the handling chamber 1 that forms the fixed frame 15, and 31 denotes a rear side plate. As shown in FIGS. 4 to 9, the front side plate 30 has a cereal supply port 32 formed in a circular arc shape. In addition, the rear plate 31 is formed with a notch formed in the cereal discharge port 33, and a handling port extending from the cereal supply port 32 to the cereal discharge port 33 between the fixed frame body 15 and the movable frame body 16. 34 is formed.
[0011]
Further, the front plate 30 has a mounting plate 24 of the rotating arm 18 bolted to the upper end opposite to the feed chain 3, and the lower end side of the mounting plate 24 is bolted to a gear case 35 of the power transmission mechanism. The rotating fulcrum shaft 17 is supported by the fixed mounting plate 24, and the rotating arm 18 pivotally supported by the rotating fulcrum shaft 17 is slidably contacted with the mounting plate 24 to rotate.
Then, the transmission belt 37 wound around the drive pulley 36 of the power transmission mechanism is wound around the handling cylinder pulley 39 via an idler pulley 38 provided at the front end of the rotation fulcrum shaft 17 so that the handling cylinder 2 is rotationally driven. It has become. Reference numeral 40 denotes a guide pulley that pushes up and supports the transmission belt 35.
[0012]
The front plate 30 includes a plate body 31a that covers the entire side surface of the handling chamber 1 from the rotation fulcrum shaft 17 side to the chain frame 14 side, and a reinforcing plate 30b that covers only the rotation fulcrum shaft 17 side. A vertical pipe 41 in the vertical direction is erected on the fulcrum shaft 17 side and bolted together with the reinforcing plate 30b, whereby the rotating fulcrum shaft 17 side that supports the movable frame 16 is reinforced.
[0013]
Reference numeral 42 denotes a horizontal pipe that extends from the vertical pipe 41 toward the feed chain 3, and a chain frame 14 that supports the feed chain rail 4 is connected to the extended end of the horizontal pipe 42.
And the said horizontal pipe 42 is arrange | positioned in the lower site | part rather than the upper edge of the grain supply port 32 in the state along the grain supply port 32 notched and formed in circular arc shape. Note that a reinforcing mounting bracket a shown in FIG. 6 is welded to the mounting portion of the vertical pipe 41 and the horizontal pipe 42 and firmly fixed to the bolt.
[0014]
Similarly to the front plate 30, the rear plate 31 of the handling chamber 1 also has a vertical pipe 43 erected on the side of the rotation fulcrum shaft 17, and the horizontal pipe 44 extends from the vertical pipe 43 along the grain outlet 33. The chain frame 14 is connected to the extended end portion.
[0015]
Even if the movable frame 16 that pivotally supports the handling cylinder 1 is supported by the pivot fulcrum shaft 17 provided on the fixed frame 15 so as to be able to be opened and closed vertically, the front of the fixed frame 15 is provided. Since the side fulcrum shaft 17 side of the side plate 30 and the rear side plate 31 is reinforced in the vertical direction by the vertical pipes 41 and 43, respectively, the movable frame body 16 that opens and closes can be reliably supported.
[0016]
And since the horizontal pipes 42 and 44 extended toward the feed chain 3 side from the vertical pipes 41 and 43 reinforce the horizontal direction, the front side plate 30 and the rear side plate 31 have a strong structure reinforced in the vertical and horizontal directions. be able to. Moreover, since the chain frame 14 connected to the extending ends of the horizontal pipes 42 and 44 is accurately positioned and fixed by the horizontal pipes 42 and 44, the chain frame 14 allows the feed chain 3 and the feed chain rail 4 to be properly positioned. Can be firmly supported.
[0017]
Moreover, since the horizontal pipes 42 and 44 arrange | positioned in the downward site | part along the shape of the corn straw supply port 32 and the corn straw discharge port 33 become a reinforcement member of the corn straw supply port 32 and the corn straw discharge port 33. The front and rear side plates 30 and 31 of the handling chamber 1 can be further strengthened.
Since the front plate 30 and the rear plate 31 are firmly reinforced only by providing the vertical pipes 41 and 43 and the horizontal pipes 42 and 44 as described above, the front plate 30 and the rear plate 31 are reduced in weight as much as possible. be able to.
[0018]
【The invention's effect】
In short, the present invention divides the handling chamber into a fixed frame body and a movable frame body, and provides a rotating fulcrum shaft of the movable frame body at the upper end portion of the fixed frame body on the opposite side to the feed chain. In the threshing device that allows the pivotable movable frame body to be opened and closed vertically, vertical pipes are provided on the rotation fulcrum shaft side of the front and rear side plates forming the fixed frame body, respectively, and from the vertical pipe to the feed chain side with kicking setting the lateral pipe extending to the extending end of the horizontal pipe, connecting the chain frame for supporting the feed chain rail, also the rotation fulcrum shaft side of the front and rear side plates forming the fixed frame body, each is provided in the vertical direction of the vertical pipe, the provided lateral pipe extending to the feed chain side from the vertical pipe, connecting the chain frame for supporting the feed chain rail extending end portion of the lateral pipe, the lateral Pipe, front and back The movable frame body that pivotally supports the handling cylinder with the pivotal fulcrum shaft provided on the fixed frame body is arranged along the shape of the corn straw supply port and the grain shed discharge port formed in the lower part thereof. Even if it is supported so that it can be opened and closed vertically, the front and rear side plates of the fixed frame body are reinforced vertically and horizontally by a vertical pipe provided on the rotation fulcrum shaft side and a horizontal pipe extending to the feed chain side. The front and rear side plates can have a strong structure.
[0019]
Since the chain frame connected to the extending end of the horizontal pipe is positioned and fixed by the horizontal pipe, the feed chain and the feed chain rail can be firmly supported at appropriate positions.
Moreover, since the horizontal pipe arranged in the lower part along the shape of the cereal supply port and the cereal discharge port formed in the front and rear side plates serves as a reinforcing member for the cereal supply port and the cereal discharge port, The handling chamber side plate can be made stronger.
[Brief description of the drawings]
FIG. 1 is a longitudinal side view of a threshing apparatus.
FIG. 2 is a rear view of the same.
FIG. 3 is a plan view of a handling cylinder.
FIG. 4 is a front view of a handling room.
FIG. 5 is a front view of a front plate.
FIG. 6 is a cross-sectional view of a mounting bracket.
FIG. 7 is a rear view of the rear side plate.
FIG. 8 is an exploded view of the front side plate.
FIG. 9 is an exploded view of the front side plate.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Handling chamber 2 Handling cylinder 3 Feed chain 4 Feed chain rail 14 Chain frame 15 Fixed frame body 16 Movable frame body 17 Rotating fulcrum shaft 32 Grain supply port 33 Grain discharge port 41 Vertical pipe 42 Horizontal pipe 43 Vertical pipe 44 Horizontal pipe

Claims (2)

  The handling chamber is divided into a fixed frame body and a movable frame body. A movable fulcrum shaft of the movable frame body is provided at the upper end of the fixed frame body on the side opposite to the feed chain, and the movable frame body that pivotally supports the handling cylinder is provided. In the threshing apparatus that can be opened and closed vertically, a vertical pipe in the vertical direction is provided on the pivot fulcrum shaft side of the front and rear side plates that form the fixed frame body, and a horizontal pipe that extends from the vertical pipe to the feed chain side is provided. In addition, a side plate structure of a handling chamber in a threshing apparatus, wherein a chain frame that supports a feed chain rail is connected to an extended end portion of a horizontal pipe. The handling chamber is divided into a fixed frame body and a movable frame body. A movable fulcrum shaft of the movable frame body is provided at the upper end of the fixed frame body on the side opposite to the feed chain, and the movable frame body that pivotally supports the handling cylinder is provided. in the upper and lower open and the threshing apparatus, the rotation fulcrum shaft side of the front and rear side plates forming the fixed frame body, respectively provided in the vertical direction of the longitudinal pipes, the horizontal pipe extending to the feed chain side from the vertical pipe provided And connecting the chain frame that supports the feed chain rail to the extending end of the horizontal pipe, and aligning the horizontal pipe with the shape of the grain supply port and the grain discharge port formed in the front and rear side plates. A side plate structure of a handling room in a threshing device, which is arranged in a lower part thereof.

Images