JPH0433715Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to a grain culm bundle collecting and discharging device using a binder configured to bind harvested grain culms, collect a predetermined number of bundles, and discharge them outside the machine. .

[Conventional technology]

As the grain culm bundle collecting and discharging device, conventionally, as disclosed in Japanese Utility Model Publication No. 60-766, for example,
The receiver that receives and supports the tip side of the tied grain culm bundle is configured to be rotatable between a receiving position and an open position in which it swings open and releases the bundle group, and the knotting mechanism is driven at each set timing. The cam formed on the timing gear rotates the ratchet in the one-way rotation mechanism when the timing gear rotates, and the grooves of the ratchet claws are formed into deep grooves every other number, and when the ratchet engages with the deep grooves, The rotating members rotate in conjunction with each other, and the rod that engages with the cam provided on the pivot shaft of the receiver to receive and lock the receiver in the position is pulled.
Some devices are configured so that the lock is released and the receiver is rotated to open, and the bundle is released every predetermined number of times.

[The problem that the idea aims to solve]

In the above conventional structure, the number of bound bundles is reliably detected by detecting the number of times the timing gear in the binding mechanism is driven, and the discharging operation is performed in synchronization with the knotting operation.

However, although the above conventional structure has the advantage of being able to reliably count the number of bundles,
Since the detection is based on the operation of the timing gear that drives the knotting mechanism, the rod acts to open the receiver during the knotting operation of the last grain bundle of a predetermined number of times. Because the receiver is activated, the opening timing of the receiver is slightly different, and the last bundle is released into the field a little later than the group of bundles collected earlier, which has the disadvantage that the group of released bundles in the field may be uneven. It was hot.

The purpose of the present invention is to solve the above-mentioned problems and to release the collected grain culm bundles in a well-aligned state so that the bundle collection work performed later can be easily performed.

[Means to solve the problem]

The characteristic configuration of the present invention for achieving the above object is that a deck for receiving and supporting the stock end of the released grain culm bundle is provided on the lateral outer side of the binding device for tying the harvested grain culms in an upright position and releasing them laterally outward. and a door for leaning and supporting the grain culm bundle in a backward posture, and a bundling operation counting mechanism mechanically connected to the bundling device and a locking mechanism of the door are interlocked, and the counting mechanism is connected to the bundling device. The lock mechanism is provided with an actuating member that operates at a constant stroke in conjunction with the final bundle release operation, and a time difference applying mechanism that releases the locking mechanism near the end of the forward stroke of the actuating member.

[Effect]

Every time the bundling operation is performed, the bundling operation counting mechanism connected to it operates to ensure the counting of grain bundles, and the grain bundles placed and supported on the deck are received and supported by the door. When the bundle is bundled a predetermined number of times, the actuating member is actuated in conjunction with the release operation after the bundling operation, and the actuating member is activated in response to the bundling operation so that the door is unlocked near the end of the actuation stroke. Since the unlocking is carried out with a time lag, the ejecting operation is performed almost at the same time as the last bundle joins the already supported bundles.

[Effect of idea]

Therefore, according to the present invention, the last grain bundle of the set number of bundles is merged with the group of previously collected grain culm bundles and then laid down and discharged backward, so that the entire plurality of grain bundles are discharged in an even manner. This makes it easier to carry out subsequent collection work and improves work efficiency.

〔Example〕

Hereinafter, embodiments of the present invention will be described based on the drawings.

FIG. 2 shows the entire binder, FIG. 3 shows a side view of the bundle release part, and FIG. 4 shows a plane view of the bundle release part.

This binder uses a pair of lifting devices 1 and 1 installed at the front of the machine to pull up a planted grain culm, harvest it with a clipper-type reaping device 2, and then lean the harvested grain culm against a guide plate 3. The seeds are fed laterally by a source conveyance chain (not shown) and the tip conveyor belt 4, and are fed in a vertical position to a binding device 5 placed on one side of the reaping device 2, where they are bundled in predetermined amounts and released laterally outward. A grain culm bundle collecting and discharging device 6, which is the object of the present invention, is provided on the outer side of the binding device 5 of this binder.

The binding device 5 is provided with a crank-type grain culm raking packer 7 and a tying string supply needle 8 on the rear side of the convergence space S facing the end of the cross-feeding path P of the harvested grain culm. The front side of the focusing space S is equipped with a knotting mechanism 9 of the Notsuta Bill type and a crank-type discharge arm 10, and a focusing pressure sensing door 11 is provided outside the focusing space S, which is constantly operated. When the grain culm convergence pressure pushed into the convergence space S by the packer 7 exceeds the set value,
This is detected by the sensing door 11, and the one-turn clutch inside the binding case is engaged, and the needle 8 moves forward to supply the string and the knotting mechanism 9 performs the knotting operation. It is well known that the culm bundle is configured to forcefully release the culm bundle laterally outward.

Next, the grain culm bundle collecting and discharging device 6 will be explained.

This release device 6 includes a saucer-shaped deck 12 for placing and supporting the end of the grain bundle A released from the binding device 5, and a deck 12 for preventing the grain bundle A from escaping laterally. It consists of a fixed guide 13 that is L-shaped in plan view and is attached to the guide 13, and a door 14 that is located at the rear end of the guide 13 and supports the grain culm bundle A by leaning against it in an inclined position.

As shown in FIGS. 5 and 6, the door 14 is supported at its upper and lower ends by a group of frames 15 extending from a fixed portion of the binder main body, and is mounted on a support shaft 16 fixed in a slightly backward tilted position. Upper and lower bosses 14a, 14b
It is rotatably attached through the , and is configured to be able to change its posture between a closed position a, which receives the grain culm bundle A, and an open position b, which is swung backward clockwise about the spindle axis X. .

A fan-shaped flange 14c is fixed to the upper boss 14a of the door 14, and this flange 14
The fan-shaped flange 17 facing the top surface of c is the boss 1.
It is loosely fitted onto the upper part of the support shaft 16 via 7a.
Then, this flange boss 17a and the frame 15
The spring 18 is stretched over the flange 17.
is always biased to rotate counterclockwise.

The flange 14c is formed with an arc-shaped elongated hole 19 centered on the axis X, and the flange 1
A pin 20 that engages in the elongated hole 19 is fixed to 7, and the relative rotation range of both 14c and 17 is restricted, and in the normal state where the flange 17 is in the position shown in FIG. The door 14, whose position is regulated via doors 19 and 20, is set to be in the above-mentioned closed position a.

Further, a lock pin 24 is pivotally mounted on a bracket 21 fixedly installed between the upper and lower portions of the support shaft 16, which is swingable in the front and rear directions via a fulcrum 22 and is biased to swing toward the support shaft 16 by a spring 23. a recess 25 formed near the peripheral edge of the flange 14c by the locking pin 24 when the door 14 is in the closed position a;
A lock mechanism 26 is configured, which is biased and engaged with the lock mechanism 26 to prevent the clockwise rotation of the flange 14c, that is, the opening swing of the door 14.

The flange 17 has a function as an unlocking member for the lock mechanism 26. That is, on the outer peripheral edge of this flange 17, a circular arc surface 27 having a radius approximately equal to the bottom of the recess 25 of the door side flange 14c is formed, and a cam surface 28 in the form of an inclined step is formed near the counterclockwise end of the arc surface 27. is provided, and the lock pin 24 remains as it is while the flange 17 is rotated clockwise from the state shown in FIG. When rotated in the opposite direction, the inclined cam surface 28 pulls the lock pin 24 against the spring 23.
The concave portion 25 is pressed and moved outward against the
By separating the flange 14c from the flange 14c, the lock of the flange 14c is released and the door 4 is allowed to swing open.

Note that contact portions 29, 29 are formed at both ends of the flange 17 in the circumferential direction to restrict the rotational limit of the flange 17 by contacting with the lock pin 24.

The flange 17 as the lock release member is operatively connected to a binding operation counting mechanism 30, which will be described below, so that the lock release operation is performed in conjunction with the binding release operation of the binding device 5 every set number of times.

Next, the structure of the bundling operation counting mechanism 30 will be described in detail.

A boss 13 parallel to the shaft 16 is fixed to one side of the lower part of the support shaft 16, and an arm 33 is fixed to the lower end of the rotating shaft 32 which is loosely inserted into the boss 13, and an arm 33 is fixed near the base of the needle 8. are linked by a rod 34, and in conjunction with the reciprocating movement of the needle 8, the rotating shaft 32 is also reciprocated at a constant angle.

Also, on one side of the support shaft 16, there is a top and bottom stay 3.
5, 35, a support shaft 36 parallel to the shaft 6 is fixed, and a plurality of ratchet wheels 37 are loosely fitted to the lower part of this support shaft 36, and are prevented from reversing by a plate spring piece 38. It is supported so that it can rotate only clockwise. Further, an arm 39 is loosely fitted in the middle of the fixed support shaft 36 so as to be able to swing freely, and a pawl shaft 4 with a ratchet pawl 40 fixed to the middle of the arm 39 is provided.
1 is rotatably attached and is urged by a helical spring 42 to rotate in a direction in which the ratchet pawl 40 engages with the outer periphery of the ratchet wheel 37. This ratchet pawl 40 is spline-fitted onto a pawl shaft 41, and has a structure that it can be shifted to a position facing any ratchet wheel 37 and fixed with a set bolt 43.

The arm 39 is provided to face the tip of the drive arm 44 fixed to the upper end of the rotation shaft 32, and is biased by a spring 45 to swing in the direction of contact with the drive arm 44. As the drive arm 44 swings back and forth once as the needle 8 swings, the arm 39 that is in contact with and is pressed by the drive arm 44 swings back and forth once, causing the ratchet claw 4 to swing back and forth once.
The structure is such that the ratchet wheel 37 selected at 0 is rotated one pitch clockwise.

Further, a pawl 46 having the same shape as the ratchet pawl 40 is fixed to the upper end of the pawl shaft 41 in the same phase. This pawl 46 is connected to the boss 4 of an actuation arm 47 which is a lock release actuation member loosely fitted onto the upper part of the fixed support shaft 36.
It is provided corresponding to the tooth 48 provided in 7a.

The ratchet wheels 37 are formed with deep tooth bottom portions b at intervals of a plurality of shallow tooth bottom portions a, and rotate integrally with the ratchet pawl 40 only when the ratchet pawl 40 enters the deep tooth bottom portion b. A pawl 46 is configured to engage the teeth 48. Therefore, in the case shown, the ratchet wheel 37 advances two pitches at the shallow tooth root a during three tying operations, and during this period the actuating arm 47 remains in a constant position. Then, the fourth bundle release operation is started and the needle 8 moves forward, causing the arm 3 to move forward.
9 rotates counterclockwise once and the ratchet pawl 40
reaches the deep tooth bottom b, and the pawl 46 is in a state where it can engage with the tooth 48. Next, when the needle 8 returns and swings backward, it is pressed by the drive arm 44 and the arm 39 rotates clockwise, and the engagement between the pawl 46 and the tooth 48 causes the actuation arm 47 to rotate clockwise. Start rocking.

The tip of the operating arm 47 and the flange 17 are connected by a rod 49, and a spring 5 is connected between the arm 47 and the flange 14c on the door side.
0 is set.

Therefore, when the actuating arm 47 starts swinging clockwise in the second half of the predetermined number of bundle release operations (fourth time in the figure) as described above, the spring 50 is stretched and the swinging force for opening the door 14 is accumulated. While being rotated, the flange 17 is rotated clockwise, and near the end of the swing of the operating arm 47, the lock is released by the cam surface 28 as described above, and the weight of the grain culm bundle A group is received.
and the door 1 is biased backward by the spring 50.
4 rapidly rocked backwards and collected 3
The grain culm bundle and the final released bundle are left in the field in a backward position.

In this case, the opening timing of the door 14 is in the second half of the return and retraction operation of the needle 8, that is, close to the final release time, so the final bundle is released without much delay for the three bundles collected earlier. He was left lying face down in the rear. In this way, the flange 17 constitutes a time difference applying mechanism that releases the locking mechanism 26 near the end of the forward stroke of the actuating member 47.

Note that since the actuating arm 47 does not rotate counterclockwise until the needle 8 advances next time, the door 14 is also kept at the open position b and returns to its original closed position until the next discharge. will be returned to a.

The plurality of ratchet wheels 37 are formed with different numbers of shallow tooth bottom portions a between the deep tooth bottom portions b, and by shifting the ratchet pawl 40, the opposing ratchet wheels 37
Change the number of bundles to collect by selecting .

[Brief explanation of the drawing]

The drawings show an embodiment of the grain culm bundle collecting and discharging device for a binder according to the present invention, and FIG. Figure 3 is a side view of the grain culm bundle collection and discharge device section, Figure 4 is a plan view of the grain culm bundle collection and discharge device section, Figure 5 is a vertical side view of the grain culm bundle collection and discharge device section, and Figure 6 is a bundling. It is a longitudinal side view of an operation|movement counting mechanism. 5... Binding device, 12... Deck, 14... Door, 17... Time difference imparting mechanism, 26... Lock mechanism, 30... Binding operation counting mechanism, 47... Operating member, A... Grain culm bundle.

Claims (1)

[Scope of utility model registration request] A deck 12 for receiving and supporting the stock end of the released grain culm bundle A is provided on the lateral outer side of the binding device 5 for tying the harvested grain culms in an upright position and discharging them laterally outward, and a deck 12 for receiving and supporting the stock end of the released grain culm bundle A, and a deck 12 for receiving and supporting the grain culm bundle in a backward position. A door 14 is provided to be supported by leaning against it, and a binding operation counting mechanism 30 mechanically connected to the binding device 5 is interlocked with a locking mechanism 26 of the door 14. A binder is equipped with an actuating member 47 that operates at a constant stroke in conjunction with the second bundle release operation, and a time difference applying mechanism 17 that releases the locking mechanism 26 near the end of the forward stroke of the actuating member 47. Culm bundle collection and release device.