JPH0627054Y2 - Harvesta notta - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Application The present invention is a harvester that bundles several threshed straw bundles discharged from the outlet of a threshing device into a large bundle by a binding device provided on the outside. Regarding Notta.

(B) Conventional technology Conventionally, as a harvester notter that bundles several threshed straw bundles discharged from the culm outlet of a threshing device into a large bundle by a binding device provided on the outside, a large bundle outward from the shaft support of the needle In order to condense the light on the door, it is necessary to provide a door at a relatively large distance and to increase the distance between the upper knot guide forming the converging part and the lower guide bottom plate by the diameter of the bundle discharged from the threshing device. It is already known from JP-A-58-115933 or JP-B-61-178833.

(C) Problems to be solved by the invention The known harvester notta is an elliptical shape that is elongated in the vertical direction when the straw bundle is discharged from the threshing device when the packer scratches it toward the door. Therefore, even if the gap between the knot guide and the guide bottom plate is set to be approximately twice the diameter of the discharged straw bundle, the straw bundle that has been swept in is irregularly arranged on the front surface of the door and the straw bundle that has been swept in. However, there are problems that the number of bundles to be bundled by the time the door is sensed and activated is reduced and the binding of the bundles is insufficient.

(D) Means for solving the problems The present invention uses a bundling device including a packer, a needle, a door, a discharge arm and a knotted portion to bundle a straw bundle that has been threshed by a threshing device and discharged from an outlet. In a harvester knotter configured to bind and discharge several bundles, the base portion of the arm portion of the needle is pivotally supported at an interval on the upper hand side in the straw bundle sweeping direction than the door, and the base portion of the arm portion or the vicinity thereof. In addition, the above-mentioned problem is solved by providing a projecting portion that projects from the focusing portion in the standby posture of the needle and that retracts from the focusing portion in the stringing action posture.

(E) Action The straw bundle that has been threshed by the threshing device and discharged from the culm is supplied to the binding device, and the packer of the binding device forms the straw bundle on the upper side of the door in the scraping direction. It is scraped into the focusing part.

During this time, since the needle is in the standby position and the protruding portion provided on the arm portion is intruding into the focusing portion, the degree of the straw bundle scratched by the packer becomes elliptic and the scratched culm is reduced. Of the straw bundle can be converged into a substantially orderly arrangement, and the scraped bundle is prevented from returning by the protruding portion, and a predetermined amount of straw bundle is condensed and the door is closed. When the sensing operation is performed, the needle is hooked, whereby the protruding portion retreats from the focusing portion and forms a focusing space at that portion, and the last straw bundle is pushed in while being compressed by the needle arm portion. ,
The tightly bound large bundle can be bound while forming a substantially circular shape, and the discharging arm discharges the bound large bundle to the side.

(F) Embodiment An embodiment of the present invention will be described with reference to the drawings, in which 1 is a threshing device mounted on a machine base 3 having a traveling device 2,
A grain culm mounting table 5 is provided on the side of the supply port, and a binding device 6 is attached to the outside of the culm port so as to be movable back and forth while being supported by rails 7, 7, An engine cover 8 accommodates an engine for driving the threshing device 1, the traveling device 2, and the bundling device 6, and an operation panel 10 provided at the rear portion thereof is provided with various operation levers 11 ... And a handle 12
A pair of front and rear bag hooks 13 and 13 are provided on the binding device 1 side of the operation panel 10 and the handle 12, and a pair of left and right bag hooks 15 and 15 are provided on the rear surface of the operation panel 10. , Those bag hooks 1
A bag holder 16 fixed to the machine base 3 is provided below 3, 15 ,.

The binding device 6 has a transmission case 17 and a packer 18 at the bottom.
, A needle 20, and a door 21, and is provided with a knot 23 and a discharge arm 24 which are driven by a transmission device 22 which bypasses the ear side from the transmission case 17, and which are provided on the upper side and the ear side. Side guide plates 25a and 25b, the door 21, the knot guide 26 of the knot 23, and the receiving plate 26a extending outward from the knot guide 26.
The space surrounded by the link 41, which will be described later, is the focusing unit 27.

Further, the base of the arm portion 28 of the needle 20 is rotatably supported by the door shaft 30, and the base portion of the arm portion 28 is provided with a protrusion 29. Although it may be integrated with the portion 28, it may be a separate body as long as the timing of advancing and retreating is the same as that of the arm portion 28, and it projects into the focusing portion 27 in the standby posture as shown in FIGS. 1 and 3. Since the crank pin 33 at the tip of the crank arm 32 protrudingly provided on the timing shaft 31 provided with the one-rotation clutch is interlockingly connected to the vicinity of the projecting portion 29 of the arm portion 28 via the link 35, the timing shaft 31 When the needle makes one rotation, the needle 20
Rotates reciprocally within a predetermined range.

The door arm 37 of the door 21 is fixed to a floating shaft 38 rotatably supported by the transmission case 17, and
The link arm 39 projecting from the link 38 is linked to the link arm 40 projecting from the door shaft 30 by a link 41.
Reference numeral 41 denotes a portion where the outer portion of the door shaft 30 is slanted downwardly downward and the lower portion thereof is substantially horizontal from the floating shaft 38 and the door arm 37 of the door 21 as shown in FIG. 1 and intersects with the base portion of the door 21. It projects as an extending portion 41a.

Further, the outer side portions of the guide plates 25a, 25b are bent obliquely downward and outward at a position slightly lower than the inclined portion of the link 41, and hang vertically before the floating shaft 38 and from substantially the same height. The root aligning plate 42 is provided near the rear of the stocker side guide plate 25a.
Is provided upright, and its outer portion is projected outward from the guide plate 25a and hangs down along the outer surface, and the lower portion is a guide plate 25a as shown in FIG. 1, FIG. 3, and FIG. In a side view, it is bent substantially parallel to the front to form a stock receiving plate 43 and is fixed to a hanging portion 25a '.

In the above-mentioned harvester knotter, the bundling device 6 is set by adjusting the door 21 and the needle 20 so that the door 21 and the needle 20 face the string hooking position of the straw bundle discharged from the threshing device 1 by moving back and forth according to the culm length. Is a long culm, the bag culm 13 is lower than the guide plate 25a on the stocker side,
25a is moved rearward to such an extent that it is located above the front bag-hanging rod 13. The straw bundle that has been threshed in this state and discharged from the culm outlet of the threshing device 1 is scraped by the packer 18 into the focusing portion 27, and the midway portion of the culm length is supported by the link 41 and the extending portion 41a. The stock is pressed against the door 21, and the stock base is guided by the root aligning plate 42 to fall on the stock receiving plate 43 from the outer inclined portion of the guide plate 25a to be received.

At this time, since the needle 20 is in the standby position, the protruding portion 29 of the arm portion 28 enters the focusing portion 27 and a gap of approximately one bundle is formed between the end portion and the knot guide 26. Therefore, the straw bundle pressured by the packer 18 does not remarkably flatten, and is gradually transferred to the widening focusing portion on the outside of the straw bundle to be converged. The protrusions 29 prevent the converged straw bundles from returning. During that time, the focused bundle does not pressurize the door arm 37, and when the focusing amount reaches a predetermined amount and the door 21 senses and operates, the door 21, the door arm 37, the floating shaft 38, and the link arm 39 are integrated. Since it rotates, the link arm 40 of the door shaft 30 is pulled and rotated by the link arm 39 via the link 41, whereby the one-turn clutch is engaged and the needle
No. 20 operates as a string as shown by the chain line in FIG.

At that time, the projecting portion 29 retreats downward from the converging portion 27, and the straw bundle pushed by the arm portion 28 is pushed into the converging portion in the state where the projecting portion 29 retreats, and the straw bundles are arranged in two rows in a substantially orderly manner. It becomes elliptical and is tightened by a string string by a building to be bound, and discharged by a discharging arm 24 to the side.

(G) Effect of the invention The present invention uses the packer 18 and the needle 2 to remove the straw bundles that have been threshed by the threshing device 1 and discharged from the outlet as described above.
In a harvester knotter in which several bundles are bundled and discharged by a bundling device 6 including 0, a door 21, a discharge arm 24, a knot 23, etc., the base of the arm 28 of the needle 20 is straw bundled rather than the door 21. The needles 20 are pivotally supported at an interval on the upper side in the scraping direction at a distance from the focusing portion 27 in the standby position of the needle 20 at the base portion of the arm portion 28 or in the vicinity thereof and in the stringing action posture. Since the protruding portion 29 is provided, the needle is not pressed when the straw bundle is pushed into the focusing portion 27 by the packer.
The protrusions 29 of the arm portions 28 of the 20 narrow the entrance width of the converging portion 27 to prevent the bundle from becoming significantly flat, while preventing the return of the culms, and concentrating them in an orderly arranged state. When the door 21 is sensed and the one-turn clutch is engaged and the needle 20 is hooked, the projecting portion withdraws from the converging portion, and the arm portion 28 of the needle 20 is placed in the space formed thereby. Since the straw bundle is pushed in, the bundle shape can be rounded and can be tied in a well-tightened state.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a rear view of a binding device, FIG. 2 is a plan view of the same as above, and FIG. The figure is a side view of the harvester, and FIG. 5 is a rear view of the same. 1 ... Threshing device, 6 ... Binding device, 17 ... Transmission case,
18 …… Packer, 20 …… Needle, 21 …… Door, 23 ……
Nodule part, 25a, 25b …… Guide plate, 26 …… Knot guide, 27
...... Focusing part, 28 ...... Arm part, 29 ...... Projection part, 30 ...... Door axis, 41 ...... Link

Claims (1)

[Scope of utility model registration request] 1. A straw bundle that has been threshed by a threshing device 1 and discharged from an outlet, a packer 18, a needle 20, and a door 2.
1. In a harvester knotter configured to bind and discharge several bundles by a binding device 6 including a discharge arm 24 and a knot 23, the base of the arm portion 28 of the needle 20 is in the straw bundle scraping direction from the door 21. Axial support at a good distance,
The needle is provided at or near the base of the arm portion 28.
A harvester knotter, characterized in that it is provided with a projecting portion (29) projecting toward the focusing portion (27) in the standby posture (20) and retracting from the focusing portion (27) in the string hooking posture.