JPH04103437U - Slide mechanism of combine harvester knotter - Google Patents

Abstract

(57) [Summary] [Purpose] The present invention provides a slide mechanism that allows the knotter for combine harvesters to tie waste straw based on either the stock base or the tip, and allows the bundling position to be adjusted accurately as required. The purpose is to provide [Configuration] A setting mechanism 47 is provided with a drive unit such as a motor that slides the root leveling board frame 12 left and right on the machine frame 3 according to the culm length of the straw, and sets the knotter 2 in a detachable manner on the root leveling board frame 12. , 48, and a setting mechanism 37 for detachably setting the knotter 2 on the fuselage frame 3 side.
~41 were established.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a slide mechanism for a knotter for a combine harvester.

0002

[Conventional technology]

Generally, the combine knotter is attached to the rear of the combine machine, and is used for threshing. In the straw removal route that sends out the straw, there is a root alignment to align the roots of the waste straw and tie it together. A board is provided along the waste path.

0003 The bundling position of the waste straw depends on the culm length of the waste straw and the method of processing the straw discharged from the machine. (for example, upright release or rollover release). There is a method of selecting whether to tie the fixed size position from Slide the tar side with a screw in conjunction with the knotter operation, and the root leveling plate The fixing position of the root leveling board can be manually adjusted each time depending on the culm length, processing purpose, etc. The mechanism for knotting was known.

0004

[Problem that the idea aims to solve]

However, with the conventional mechanism described above, each time the knotter is adjusted or selected, the knotter is fixed. In addition to the hassle of adjusting the fixed position, the knotter and root leveling board always slide together. Therefore, the binding position and binding reference position can only be selected within the adjustment range of the knotter fixation. There was a drawback that there was no

[0005]

[Means to solve the problem]

The mechanism of the present invention that solves the above problems binds waste straw at the rear of the aircraft. The knotter 2 and the root leveling plate 11 that contacts the base end of the tied straw to align the roots are integrated. In a mechanism that can be adjusted to slide in the axial direction of each straw, Slide the root leveling plate mounting frame 12 against the frame 3 in response to changes in the culm length of the removed straw. A drive unit 28 is provided to engage and disengage the above-mentioned root leveling plate mounting frame 12 and the knotter 2. Set mechanisms 47 and 48 that can be freely fixed together, and a slide guide for the knotter 2 16 and 17 are provided with a setting mechanism 41 that is detachably fixed. .

[0006]

[Effect]

The root leveling plate 11 is used to align the stems of the straw tied by the knotter 2, and is It is attached to the frame 12, and the culm length of the straw is changed by a drive unit 28 such as a motor. It slides left and right depending on the By setting the setting mechanisms 47 and 48, the The cutter 2 and the leveling plate frame 12 are integrally connected and set, and both slide together. By releasing this, only the leveling plate frame 12 is slidably driven. Also The setting mechanisms 37 to 41 are set when locking the knotter 2 onto the fuselage frame 3. Release when operating to slide together with the leveling plate frame 12.

[0007]

【Example】

To explain in detail the embodiment shown below, FIG. 1 is a plan view of the knotter section, and FIG. 2 is the same. The side view of the straw is shown, and the rear part of the combine threshing section is where the straw is cut, discharged or tied. The cutter section 1 and the knotter 2 are attached to the fuselage frame 3 so that either one can be selected. The straw transport path 4 runs from the top of the cutter section 1 to the knotter 2 and down. Consists of a guide plate 6 etc. that is attached to also serve as a cover for the cutter mechanism. A conveyor chain 7 for transporting waste straw to the knotter section is installed on the section 1 in an oblique direction when viewed from above. It is.

[0008] 9 takes over the straw from the conveying chain 7 by the chain-driven scraping claw 8, and It is a raking device that rakes into the turret 2 side and sends out the straw. A root leveling plate 11 is attached to the side of the root leveling plate frame 12. root alignment plate The arm 12 is attached to the fuselage frame 3 by slides 13 and 14 attached to its front and rear ends. It is supported so as to be slidable left and right on front and rear guide rods 16 and 17 installed horizontally parallel to the ing.

[0009] An arm 18 is provided on the front slider 13 to project forward, and a mounting point is attached to the tip of the arm 18. The root leveling plate 11 is supported by a shaft (19) so as to be horizontally swingable via the attached member 21, and Multiple culm length sensors that detect the culm length of straw by detecting the base end of the straw on the conveyance path 4 sensors 22a and 22b are attached. In addition, at the front and rear ends of the root leveling board frame 12, , sprockets 23 and 24 are pivotally supported via a chain 26, and one sprocket 23 is a drive shaft 27 that protrudes from inside the knotter 2 and has a spline or polygonal cross section. It is driven by being pivotally supported on the left end of the 28 is a motor attached to the fuselage frame 3 A drive unit consisting of a screw inserted into the boss screw 31 of the root leveling plate frame 12. Rotate the slide drive shaft 29 consisting of a screw to slide the root leveling plate frame 12 left and right. The amount and direction of the slide are detected by the culm length sensors 22a and 22b. Respond to the culm length.

0010 The knotter frame 32 has sliders 33 for supporting the knotter attached to the front and rear ends. It is supported on the guide rods 16 and 17 via the guide rods 16 and 17 so as to be able to slide left and right. The tar case 45 is driven so as to be movable left and right so as to provide an output to the spline drive shaft 27. A shaft 27 is inserted therethrough. The knotter 2 is driven by a chain on a cutter shaft (not shown). . 34 is a sleeve through which the drive shaft 27 is inserted.

[0011] A rearward facing plate 37 is attached to the rear end of the knotter case 45 via a bracket 36. is provided protrudingly, and an insertion pin 41 is removably inserted into the plate 37 from above. At the same time, a plurality of insertion holes 39 are formed in the rear guide rod 17 in the left and right direction correspondingly. A plate 38 is fixedly arranged in parallel with the . And the insertion pin 41 of the plate 37 By selecting and inserting one of the insertion holes 39 of the plate 38 into the The motor 2 is removably fixed at any left and right position on the guide rod 17. Rides are regulated. The plates 37, 38, insertion hole 39 and insertion pin 41 are This constitutes a setting mechanism for the knotter 2.

0012 42 and 43 are horizontal from the knotter frame 32 side to the root leveling plate frame 12 side The connecting rods 42 and 43 are provided on the side of the root leveling plate frame 12. The left and right slides can be adjusted freely on the bosses 44 and 46 attached to the sliders 13 and 14. Although it has been inserted, when fixing the leveling plate frame 12 to the knotter 2, A setting mechanism 47 consisting of a set bolt provided on the surrounding wall of the sliders 13 and 14, 48, and by loosening the setting mechanisms 47 and 48, the root leveling plate frame can be set. The frame 12 can be slid left and right independently.

[0013] 51 receives rotation input from the sprocket 24 and rotates the crank plate 52 on the top surface. Clamp the double-acting arm 53 that protrudes toward the back of the root leveling plate 11 with a gear case that The attachment mechanism at the tip of the double-movement arm 53 is The root leveling plate 11 moves back through the knot 54 to level the roots of the waste straw tied to the knotter 2. to be carried out.

[0014] In the above mechanism, the setting mechanisms 37 to 41 of the knotter 45 are set free. If you set the sliding mechanism 47, 48 in the predetermined position and work, the motor 28 and slide The knotter 2 and the alignment plate frame 1 are connected by the drive shaft 29 and the connecting rods 42 and 43. 2 integrally slides left and right according to the detection of the stock by the culm length sensors 22a and 22b. While doing so, bundle the waste straw in a fixed position with the base of the stock as a reference.

[0015] On the other hand, if both the set mechanisms 37 to 41 and 47 and 48 are released, the root alignment plate will be freed. Only the stem 12 responds to the culm length sensors 22a and 22b and removes the plants while aligning the roots. They are tied together in a fixed position with the tips of the ears as a reference.

[0016]

[Effect of the idea]

Since this device is constructed as described above, the binding position of the waste straw is determined based on the base of the stock. When deciding, set the knotter and root leveling board together at the specified intervals, and use the tip side as a reference. When tying, separate the knotter from the leveling board and set it in place. This allows post-processing of waste straw while maintaining proper rooting function, or depending on the purpose and use. It has the advantage that it can be tied at any desired binding position.

[Brief explanation of drawings]

FIG. 1 is a plan view of the main parts of a slide mechanism of a combine knotter section.

FIG. 2 is a side view of the main parts of the slide mechanism of the combine knotter section.

[Explanation of symbols]

2 knotter 3 frames 11 Root alignment board 12 Root leveling board mounting frame 16,17 Slide guide 28 Drive section 37-41, 47, 48 Set mechanism

Claims (1)

[Scope of utility model registration request] Claim 1: A knotter (2) for tying the straw at the rear of the machine and a root leveling plate (11) for aligning the roots by contacting the base end of the bundled straw, either integrally or separately. In the mechanism provided to be able to adjust the slide in the axial direction, a drive unit (28) is provided that slides and drives the root leveling plate mounting frame (12) with respect to the machine frame (3) in response to changes in the culm length of the straw, and the above-mentioned A set mechanism (4) that removably fixes the root leveling plate mounting frame (12) and the knotter (2)
7), (48), and a set mechanism (41) for detachably fixing the knotter (2) to slide guides (16), (17).