JPH068665Y2 - Stem culm bundling device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention attaches a cord holder to a cord holder drive shaft that is rotatably mounted on a binding device body so that the cord holder can rotate integrally and slidably. The present invention relates to a stalk-and-bundle binding device in which a cord holder is pressed by a cord holder spring so that the cord holder is held by the cord holding portion of the device body and the cord holder.

[Conventional technology]

In the above-mentioned stem-and-bundle binding device, conventionally, for example, Japanese Utility Model Laid-Open No. 56-142
As shown in Japanese Patent No. 540, a spring holder acting on the side of the cord holder spring opposite to the cord holder side is slidably attached to a cord holder drive shaft, and a retaining nut for the spring receiver is driven by the cord holder. It was possible to screw on the shaft, and by the retaining action and tightening action of the retaining nut, the cord holder and the cord holder spring could be assembled and the cord holder spring could press the cord holder against the cord holding portion. .

[Problems to be solved by the device]

In the case of the conventional device, it is necessary to remove the string holder and the string holder spring to remove the entangled scraps and the string waste, and to perform the inspection and repair, the cumbersome operation of rotating the retaining nut is necessary, and Not only it is necessary to remove and reassemble the cord holder and cord holder spring separately, but also when reassembling, it is necessary to adjust the urging force so that the cord holder spring presses the cord holder properly. The work efficiency was poor because of the labor required for

An object of the present invention is to modify the cord holder and the cord holder spring so that they can be easily removed and reassembled.

[Means for Solving the Problems]

The features of the stem-and-bundle binding device according to the present invention are:
A string holder is attached to a string holder drive shaft that is rotatably mounted on the binding device body so that the string holder is integrally rotatable, slidable, and detachable, and the string holder is pressed against the string holding portion of the binding device body. A cord holder spring for externally fitting a spring support portion to the cord holder, and a spring receiver acting on the side opposite to the cord holder side of the cord holder spring is slidably attached to the spring support portion, The spring support portion is provided with a stopper for receiving the spring, and the string guide for guiding the string bundle string from the string supply portion side to the holder is in a closed state where the free end side is close to the string holder drive shaft. And the free end side is swingably switchable to an open state in which the free end side is separated from the cord holder drive shaft to the cord supply portion side, and the spline is attached in the closed state of the cord guide. The cord holder is pressed against the cord receiver to compress the cord holder spring by using the cord holding portion as a reaction point, and the cord guide is provided with an action portion that is separated from the spring receiver in the opened state of the cord guide. A lock mechanism for fixing the guide in the closed state is provided so that it can be released, and a rotary cam for tightening the string guide in the closed state and a swing operation lever for the rotary cam are provided in the lock mechanism. It is in. The action and effect are as follows.

[Action]

When the rotating cam is operated by the swinging operation of the operation lever to unlock the lock mechanism, the lock lock of the string guide closed by the lock mechanism is released. Then, when the cord guide is opened, the contact of the cord guide with the spring receiver is released and the cord holder spring is in the depressurized state, and the spring receiver and the stopper are the spring support parts. Since it is attached to the cord holder, the cord holder and the cord holder spring can be removed from the cord holder drive shaft at once, or assembled and mounted.

When the cord guide is closed and the rotary cam is operated by the swinging operation of the operating lever to lock the lock mechanism, the cord guide is clamped and fixed in the closed state by the rotary cam, and the action portion is used for this tightening. The string holder and the string holder spring in the assembled state, and the string holder spring is compressed to the set pressure state to press the string holder against the string holding portion with a predetermined pressure. .

[Effect of device]

Due to the above-mentioned attachment of the spring receiver and the retaining stopper, the above-mentioned configuration of the cord guide, and the rotation cam type lock mechanism, the cord holder and the cord holder spring can be removed and reassembled at once, and further, the cord holder spring. It is possible to change the operating state and decompression state, and to close and lock the cord holder by swinging the operating lever. Work such as cleaning and inspection can be efficiently performed from both the insertion / removal surface, the surface for adjusting the pressure of the string holder spring, and the surface for closing and unlocking the string guide.

〔Example〕

 Next, examples will be shown.

As shown in FIG. 11, the waste straw shredding device (2) and the waste straw bundling device (3) are connected to the rear part of the threshing device (1), and the waste batter discharged from the waste straw bundling device (3) is discharged. A three-dimensional discharging device (4) for discharging straw bundles is carried by one lateral side of the machine, and is dropped and discharged in a vertical posture so as to stand upside down on the cut site, with the stock side down. Then, by opening the swinging lid (5) of the waste straw receiving port of the waste straw shredder (2), the waste straw is carried out from the handling chamber (not shown) by the threshing feed chain (6), and the waste straw transport chain is conveyed. (7) in a sideways posture so that the threshing and discharging straws conveyed to the location above the waste straw shredding device (2) and dropped into the waste straw shredding device (2), and the swinging lid (5 ) Is closed, the threshing discharge straw dropped from the discharge straw conveying chain (7) is configured to enter the discharge straw binding device (3) by the flow-down guide action of the swing lid (5). The threshing and discharging straw processing unit of the combine is configured so that the threshing and discharging straw can be discharged in a shredded state or can be three-dimensionally discharged in a bound state in accordance with the threshing processing of.

As shown in FIG. 11, in constructing the discharge straw bundling device (3), a string supply needle (8), a discharge straw scraping packer (9) and a discharge straw discharge port door are provided above the binding space (S). (10) etc. provided with a string supply section, below the binding space (S), the string holder (1
1), a knotting part having a knotting building (12) and a discharge straw discharge arm (13) is provided to form a discharge straw receiving bottom surface of the binding space (S) and a binding cord from the string supply part side. The dust guide plate (15) that closes the gap between the string guide (14) that guides to the holder (11) and the swing lid (5) and prevents straw debris from falling into the nodule is shaken with the string guide (14). It is installed over the moving lid (5).

As shown in FIG. 1, a cord holder (11) is splined to a cord holder drive shaft (18) attached to a binding device body portion (16) so as to be rotationally driven by a timing gear (not shown). It is attached so as to rotate integrally and slide with each other. Then, the string holder spring (19) is externally fitted to the tubular spring support portion (11a) which is integrally formed and provided in the string holder (11), and the string holder side of the string holder spring (19) is The cord holder spring (19) moves the cord holder (11) to the cord holder (11) using the spring receiver (20) attached to the spring support (11a) to act on the opposite side as a reaction point.
The strapping device body part (16) is configured to be pressed against the string holding part (21) provided in the body part (16), and the string holder (11) and the string holding part (21).
It is possible to hold a binding string with.

Form the splines so that the cord holder (11) can be removed from the cord holder drive shaft (18), and slide the spring receiver (20) against the spring support (11a). In addition, the spring support (11a) is provided with a ring stopper stopper (22) for preventing the spring receiver (20) from coming off from the spring support portion (11a), and the cord holder drive shaft (18 ), The cord holder (11) and the cord holder spring (19) can be attached and detached all at once.

Shaft core (P ₁ ) with the string guide (14) positioned on the discharge straw receiving port side
It is pivotally attached to the binding device body part (23) so that it swings around, and the free end side approaches the string holder drive shaft (18) as shown in FIG. When the knot building (12) and the string holder (11) are closed while being formed, the free end side is separated from the string holder drive shaft (18) to the string supply section side as shown in FIG. It is configured so that the swing can be switched to an open state in which the upper part of the cord (12) or the cord holder (11) is opened. Then, a pair of action parts (14a), (14a) for the spring receiver (20) on the back side of the cord guide (14), and the cord guide (14) in the binding device body part (23) are in the closed state. A lock mechanism (24) that can be tightened and fixed is provided respectively, and when the string guide (14) is tightened and fixed in a closed state, a pair of action parts (1) are provided as shown in FIGS. 3 and 4.
4a) and (14a) are a plurality of abutting parts (20
a) ... Locking mechanism (2)
4) The spring holder (20) is slid toward the string holder (11) for a set stroke for the tightening force, and the string holder (21) is used as the reaction point for the string holder spring (1).
Set the string holder (11) by compressing the set stroke (9).
The cord holder spring (19) can be assembled and fixed, and the cord holder (11) can be pressed against the cord holding portion (21) with a predetermined pressure. When the string guide (14) is opened as shown in FIG.
4a) and (14a) are separated from the spring receiver (20) toward the string supply section to release the compression action on the string holder spring (19), so that the string holder spring (19) is in a decompressed state due to self-elastic recovery. In addition, the assembling and fixing of the cord holder (11) and the cord holder spring (19) is released.

As shown in FIGS. 1 and 3, the lock mechanism (24) is a rotary cam (26) attached to the binding device body portion (23) so as to rotate around an axis (P ₂ ), A hook (27) pivotally attached to one end side of the rotating cam (26) so as to rotate around an axis (P ₃ ) parallel to the axis (P ₂ ), the other side of the rotating cam (26). The operation lever (28), which is integrally rotatably attached to the end side and is configured to operate the rotary cam (26) by swinging operation around the shaft core (P ₂ ), the binding device body part ( The lock member (29) is pivotally attached to the shaft 23 (P ₄ ) so as to rotate around the shaft center (P ₄ ). That is, as shown in FIG. 1, with the hook (27) hooked on the pin portion (14b) of the string guide (14), the operation lever (28) is operated to the lock position (ON) and the lock (29). )
And to enter into the notch of the operating lever (28), axial (P ₃₎
Is located on the side opposite to the pin portion (14b) with respect to the shaft center (P ₂ ), and the rotation cam (26) rotates and the shaft center (P ₂ ) and (P ₃ ) are misaligned. The hook (27) is pulled down to tighten the string guide (14) in a closed state, and the lock (29) moves the operating lever (28) regardless of the elastic restoring force of the string holder spring (19). By holding the cord guide (14) at the lock position (ON) so as not to swing, the cord guide (14) is locked so that the tightening of the cord guide (14) is maintained. Then lock the lock (29) to the operating lever (2
8) When operating the operation lever (28) to the release position (OFF) while operating so as to disengage from 8), as shown in FIG.
(P ₃₎ is a pulling operation by axial pin portion than (P ₂₎ cord holder spring (19) of the rotary cam to a state that is located towards the (14b) (26) is rotated hook (27) Guide by allowing
Release the tightening fixing of (14) and pin part of the hook (27).
Allows manual removal from (14b) to guide the string (14)
It is unlocked so that it can be released.

In other words, when removing entangled straw scraps or string scraps, or performing inspection or repair, the lock mechanism (24) is locked or unlocked by swinging the operation lever (28) and the string guide (14 ), The cord holder spring (19) switches between the bundling compressed state and the pressure reduced from this, and the cord holder (11) and cord holder spring (19) are taken out at once. It can be reassembled.

The dustproof plate (15) swings around the mounting portion for the swing lid (5), and the free end side of the dustproof plate (15) has a discharge straw discharge arm (1).
It is attached so that it enters inside the movement trajectory (T) of 3). That is, as shown in FIG. 8, due to the protrusion of the vertical plate guide (30) attached to the surface side of the string guide (14), the vertical plate guide (30) and the string are attached to the surface side of the string guide (14). Even if straw dust stays in the corner formed with the guide (14), the dustproof plate (15) is vibrated by contact with the discharge straw discharge arm (13) to flow the staying straw waste. It is constructed so that the discharge straw can be lifted up and taken away.

As shown in FIGS. 5 to 7, the string supply needle (8) is made of sheet metal having a U-shaped cross section with a notch (8a) and a recess (8b) located at the needle tip side. I am doing it. In other words, even if the airframe distortion occurs due to the distance between the knot portion and the string supply portion due to the reaction force of the collecting pack of the discharged straw,
Interference with the drive bevel pinion gear (31) or (32) of the string holder (11) or the nodule building (12) is notched at the notch (8a) and interferes with the nodule building roller (not shown). Care is taken so that each can be avoided at the entrance (8b).

As shown in FIG. 9 and FIG.
Mount the conveyance guide rail (34) of (4) to the mounting base (35) so that it swings around the shaft core (P ₅ ), and operate the lever (36).
It is configured to change the mounting direction to the rearward direction of the machine body for use and the lateral direction of the machine body for storage by the swinging operation. Then, when in use, the lock member (37) swingably attached to the operation lever (36) is attached to the lock biasing spring (38).
By making the first cutout (35a) of the mounting base (35) act on it, and by making the lock (37) enter the second notch (35b) of the mounting base (35) at the time of storage. The transport guide rail (34) is fixed in a predetermined mounting direction.

[Another embodiment]

Considering that the rocking shaft core (P ₂ ) of the operation lever (28) is in the direction orthogonal to the flow direction of the discharge and discharge straw in the lock mechanism (24), the operation operation and the release operation are performed. Although it is a swinging type that is easy to remove, the swinging axis (P ₄ ) is in the direction orthogonal to the axis (P ₂ ) and the releasing operation is easy even if the discharged waste straw is caught. The locking device (2
By providing 9), the closing lock of the cord guide (14) is ensured, but the operation lever for the rotating cam (26) is provided with an axis in a direction orthogonal to the discharge straw flow direction. It is configured to swing around the core and the pin (14
b) and the positional relationship between the shaft cores (P ₂ ) and (P ₃ ) may be set so that the cord guide (14) is clamped and fixed only by the rotating cam.

The present invention can also be applied to a binding device in which various stem culms other than threshing and discharging straw are treated symmetrical objects such as grain culms and the like.

It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the present invention is not limited to the structure of the accompanying drawings by the entry.

[Brief description of drawings]

The drawings show an embodiment of a stem-culm bundling device according to the present invention.
FIGS. 2 and 3 are side views of the cord holder arrangement portion, FIG. 3 is a rear view of the locking mechanism, FIG. 4 is a plan view of the cord guide, FIG. 5 is a side view of the cord supply needle, and FIG. 5 is a sectional view taken along the line VI-VI of FIG. 5, FIG. 7 is a sectional view taken along the line VII-VII of FIG. 5, FIG. 8 is a sectional view of the dustproof plate mounting portion, and FIG. 9 is a guide rail mounting 10 is a sectional view of the portion, FIG. 10 is a plan view of the guide rail, and FIG.
FIG. 1 is a side view of the threshing and discharging straw processing unit. (11) …… String holder, (11a) …… Spring support, (14)
...... String guide, (14a) ...... Operating part, (16) …… Bundling device body, (18) …… String holder drive shaft, (19) …… String holder spring, (20) …… Spring holder, ( 21) …… String holding part, (2
2) …… Retaining stopper, (24) …… Lock mechanism, (26)…
… Rotating cam, (28) …… Operating lever.

Claims (1)

[Scope of utility model registration request] 1. A cord holder driving shaft (18) rotatably mounted on a binding device body (16), wherein a cord holder (11) is integrally rotatable, slidably and detachably mounted. The cord holder (11) is provided with a spring support portion (11a) externally fitted with a cord holder spring (19) for pressing the cord holder (11) to the cord holding portion (21) of the binding device body (16). Then, the spring holder (20) acting on the side opposite to the cord holder side of the cord holder spring (19) is slidably attached to the spring support portion (11a) and at the same time, for the spring holder (20). Attach the stopper (22) to the spring support (11a).
The cord bundling cord from the side of the cord supply section is provided for the holder (11).
A closed state in which the free end side is close to the string holder drive shaft (18) and an open state in which the free end side is away from the lace holder drive shaft (18) toward the string supply section. The swingable portion is attached to the spring receiver (20) while the strap guide (14) is in the closed state.
The cord holder spring (19) is compressed using the (21) as a reaction force point, and the action portion (14a) that separates from the spring receiver (20) in the open state of the cord guide (14) is the cord guide.
(14), provided with a lock mechanism (24) for fixing the string guide (14) in the closed state so that it can be released,
A rotating cam (2) that tightens the string guide (14) in the closed state.
6) and rocker type operating lever (28) for this rotating cam (26)
A stem-culm bundling device having the lock mechanism (24).