JPS61166328A - Roll baler - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention "Industrial Application Field" The present invention picks up straw grass such as grass and straw scattered in a field with a pick-up section and forms a roll-shaped bale in a bale-forming chamber. The present invention relates to a roll baler that binds together by twine supplied from a binding device.

"Prior Art" Conventionally, twines are wrapped uniformly around both the center and ends of a bale.

``Problems to be Solved by the Invention'' For this reason, the twine at the end tends to loosen and the overall shape of the bale cannot be maintained well.

"Children's Actor for Solving Problems" Accordingly, one aspect of the present invention is to provide a twine guide body that sequentially wraps the twine spirally around the outer periphery of the bale during left-right movement, and to temporarily stop the twine guide body at the end of the left-right movement;
It is constructed so that the number of points at both left and right ends of the veil is set to +4.

``Function'' According to the present invention, the twines at both ends of the bale are wrapped extremely tightly, eliminating deformation of the bale, etc., and making it possible to handle the bale easily in subsequent processes, such as collection work. It is possible to improve efficiency.

"Example" An embodiment of the present invention will be described below in detail with reference to the drawings.

Figure 1 is an explanatory diagram of the veil forming part, Figure 2 is an overall side view,
Figure 3 is a plan view of the same, and (1) in the figure shows the running roller (
2), a baler section (3) mounted on the baler section (1), and (4) a pickup installed in front of the baler section so as to be able to lower the PI and having a pickup finger (5). , (6) is an engine section that is installed behind the machine base (1) and has an engine (7) therein, and (8) is an operation panel that is installed at the left and right center of the machine behind the engine section (6). (
9), the baler part (3) has a binding device (lO) and a working clutch lever (11), and a latch lever (12) running on the operation panel (9) and a left and right Side clutch lever (13) (+
3) and a transmission clutch lever (+4).

An upper pipe conveyor (1B) and a lower pipe conveyor (17) are installed in the bale forming chamber (15) of the baler section (3).
) are arranged facing each other, and as shown in Fig. 4, the upper pipe conveyor (1B) has left and right upper endless chains (21 ) (21),
A plurality of veil-forming upper pipes (23) are arranged at equal intervals through bolts (22) between these chains (21) (21).
is placed horizontally. Further, as shown in FIGS. 5 to 8, the lower pipe conveyor (17) includes a driving sprocket (24) provided in the bale forming chamber (15) and an idle sprocket (25) provided in the pickup section (4).
) and the left and right lower endless chains (2
9) (29) and these Cheno (29) (29)
) A plurality of veil forming lower pipes (31) are horizontally suspended at equal intervals through bolts (30).

Furthermore, a pickup rotation fulcrum shaft (32) is provided at the front end of the chino guide (27), and the base end of the pickup case (33) of the pickup portion (4) is supported on the fulcrum shaft (32) so as to be vertically movable. There is. The idle sprocket (25) is rotatably supported on a support shaft (34) fixed to the front end of the bee 7 cup case (33), and each pickup is supported on an eccentric shaft (35) integrally fixed to the support shaft (34). The base ends of the fingers (36) are pivotally supported, and the tips of each finger (36) are made to protrude outside from each opening (38) of the finger body (37) integrally connected to the sprocket (25). When the finger (36) rotates due to the rotation of the barrel (37), its protrusion length is appropriately varied to pick up hay from the field and directly take it into the bale forming chamber (15) by the lower pipe conveyor (17); The hay in the forming chamber (15) is formed into a rolled bale by the rotation of the upper and lower pipe conveyors (16) and (17).

As shown in FIGS. 9 to 12, the pick amplifier case (33) is connected to a pickup lifting device (41) via a support holder (39) and a wire (40). (41) is a pickup height adjustment operation handle (4) attached to the pickup operation box (42).
3), a rotating screw shaft (40) integrally connected to the handle (43), and the handle (43) and the screw shaft (44).
a pedestal (45) that supports the pedestal (45), and a rotating shaft (45) that supports the pedestal (45);
4B) and the box (42) via the receiver A (47).
), a sliding body (49) coupled and connected to the screw shaft (44), one end of which is connected to the sliding body (49) via a swing pin (50), and the other end The wire (
a wire link (51) connected to the shaft (40);
The handle (43) is provided with a counterclockwise lifting force and a spring (52) that biases the handle (43).
3), the lifting amount of the pickup section (4) is adjusted by sliding the sliding body (49), and the box (42) is adjusted from the raised and lowered positions of the pickup section (4) in FIGS. 9 and 12. When the handle (43) is rotated counterclockwise around the shaft (48) along the guide groove (53) of the wire and housed in the phantom line in the figure, the wire ( 40) is configured to lift the tension pickup part (0) to the highest position.At this time, when it is lifted to the highest position from the raised adjustment position shown in Figure 9 or the lowered adjustment position shown in Figure 12. The outer holder of the wire (40) is approximately the distance (see 1) between the box pivot shaft (55) of the metal fitting (54) and the connecting pin (56) of the wire (40) and link (51). Equivalent (love, ζ
When the handle (43) is stored in the imaginary line state in the figure, no matter which adjustment position the pickup part (4) is in, the pickup part is always at approximately the same - highest height position. (4) is configured to lift and hold.

As shown in FIGS. 13 to 14, the front end of the chain guide (20) supporting the upper pipe conveyor (IB) is supported by the drive shaft (57) of the drive sprocket (18) so as to be freely reciprocatable; The rear end of the guide (20) is attached to a pin (GO
) (61) and a fulcrum crossing spring (62).

Further, the side plate (3a) is provided with a detection switch (83) which is a bail pressure detection device that detects the outer circumferential pressure of the bale (A) when the formed diameter of the bale (A) becomes larger than a certain value.
63), and a switch operation plate (B4) for operating the operation plate (80) on the side ai via the fulcrum shaft (65).
i (3a), and the operation plate (84) and the side plate (
3a) The jjiWI bolt (87) of the operation plate (64) is always held in contact with the fixing pin (88) of the chain guide (20) by the fulcrum cross-over spring (6B) stretched between the bails (A) When the diameter exceeds a certain level and the contact pressure causes the chain guide (20) to open upward at a certain angle (α) about the shaft (57), the operation plate ( B4) is moved over the fulcrum shaft (65) by the force of a spring (86), and the switch (63) is turned on to drive an alarm device and notify the operator of the completion of bale formation. There is. Further, a return leaf spring (69) is adjusted between the operation plate (84) and the fixing pin (81) of the chain guide (20),
When the chain guide (20) returns to its original normal position, the operation plate (B4) is also returned to release the switch (B3). Further, the side plate (3a) is provided with a guide regulating plate (7) that regulates the movement range of the pin (61).
0), and when the chain guide (20) is opened at a certain angle (β) above the normal position with the shaft (57) as the center, a line (
b) Move the spring (62) over the fulcrum and remove the regulation plate (70).
The pin (81) is abutted and locked on one end side, and the guide (20) and link (59) are held in the imaginary line state in FIG. 13 to open the upper pipe conveyor (1B). It consists of Furthermore, the left and right side plates (3a
) Left and right fulcrum crossing links (59) pivoted to (3a)
C3B) is connected to left and right rods (72) (72) through long holes (71) (71), and is a connecting link of a side door (73) that opens the left side of the veil forming chamber (15). (Connect the other end of the rod (72) on the left side directly to the link (70), and connect the other end of the rod (72) on the right side to the link (70).
5) The upper pipe conveyor (!8) and the side door (73) are connected to each other via (78) so as to be in an open state.

As shown in FIG. I5 to FIG. 21, the binding device! (10
) is the idler (19) of the upper pipe conveyor (1B) at the rear of the bale forming chamber (15) and the lower pipe conveyor (1).
A binding case (78) is provided approximately in the middle of the drive tin rocket (24) of 7) and is connected and fixed to the side plate (3a) via the drive input case (77);
8) with driving and driven sprockets (81) (82) pivotally supported via each sprocket shaft (79) (8G),
A chain 7 (83) is stretched between these sprockets (81) and (82).

a binding clutch (88) that is installed inside the input case (77) and connectably transmits rotation from the human-powered sprocket (84) to the drive sprocket (81) via a pair of worm gears (85); A twine payout main rotating body (89) interlockingly connected to the chain 7 (83) via a sprocket (87) and a rotating shaft (88);
89) via a tension spring (30), and the twine (91) is sequentially moved to the front delivery port (92) by the pressure force.
The secondary rotating body (93) for feeding out the twine is connected to the engaging pin (90) integrally attached to the chain 7 (83) through a square engagement hole (95), and is connected through the rotor (78a). During its left and right movement, the twine guide body sends out the twine (31) from the delivery O (92) forward from the guide fitting (9B) and wraps it around the outer circumference of the bale (A) in a spiral form from the left and right directions. With Ranna (97).

A guide plate (98) is provided, and a guide metal fitting (9B) guides the twine (91) fed out from the delivery port (92) when the launch (97) moves left and right due to the engagement operation of the binding clutch (86). Veil (A) outer peripheral part I formed by
It is structured so that it is wound in a spiral. In addition, a one-way clutch (87a) is installed in the sprocket (87) of the main rotating body (88), and after the twine (91) is wrapped around the bail (A), the feeding speed of the twine (91) increases. The main rotating body (89) is configured to freely rotate when the main rotating body (89) is rotated.

In addition, the binding case (
78) A cutter for twine cutting (99
) is attached via a rotation fulcrum shaft (100), and each time one winding of the twine (91) around the bale (A) is completed, the bottle (101) to be planted in the launch (97) is removed with a cutter ( 99) by bringing it into contact with the cam-shaped protrusion (99a).

The cutting portion of the cutter (99) is lifted up to cut the twine (91) held by the guide fitting (96).

Further, the binding clutch (88) is interlocked with a running latch, and one end of the binding clutch (88) is connected to the clutch arm (102) of the binding clutch (8G).
),! ? , the operation plate (103), the nibbin (104a)
(104b) A clutch spring (104) that constantly biases the panel on the clutch engagement direction side through the clutch spring (104), and the runner (9).
7) is supported in the middle via a fulcrum pin (+05), and the bottle (107) on one end side is normally supported by the force of a torsion spring (10B).
) side upright and in contact with the inclined clutch action surface (103a) of the operating plate (103) to resist the force of a spring (104) and hold the operating plate (103) in the disengaged state; , one end is connected to the running latch lever (12) via a wire (109), and the spring (110) runs between the bins (110a and 110b) when the latch is off.
The inclined action surface (+11a) is moved against the force by the arm (108).
) and press it against the release bottle (+12) of the bottle (107).
) to release the suppression of the operation plate (103), and the switching arm (
a stop bar (113) for holding the wire (108) in a steady position, and when the latch lever (12), which runs when the working clutch lever (11) is in the engaged state, is disconnected, the wire (1
09) in the direction of the solid line arrow in FIG.
7) is released and the operation plate (103) is slid in the direction of the solid line arrow on the left, so that the binding clutch (8th) is operated.

As shown in FIGS. 22 and 23, the starting plate (lil
) and the moving latch lever (12) are provided with a manual binding clutch lever (114) and a cam member (115), and the lever (114) and the cam member (115) are provided on the fixed shaft (117) of the lever box (lie). Each proximal end of the cam member (115) is pivotally supported, and the cam member (115) has its tip connected to the wire (109) and is connected to the clutch lever (114).
) is provided in the middle with a clutch pin (11B) that contacts and locks the engagement surface (114a) of the member (115), and a cam groove (120) that engages with the fixing pin (119) of the shaft (117) and the member (115). ) is provided at the base end with a compression spring (121) that presses in the <-(+14) direction, and the lever (114)
When the latch lever (12) is rotated in conjunction with the running latch lever (12) or independently operated in the direction of the running latch off at the imaginary line position in Fig. 22, a certain range of rotation is achieved by engagement with the bottle (118). While rotating the cam member (115) counterclockwise around the shaft (117), the cam groove (12Q)
), the cam member (115) resists the spring (121) and retreats by a certain amount in the direction of the solid arrow in FIG.
) of the starting plate (111) when the starting plate (111) rotates beyond a certain rotation range in which the engagement surface (114a) is disengaged from the engagement surface (114a).
110) The configuration is such that the cam member (115) Q returns to its original position, that is, the start plate (111) comes into contact with the bottle (11Oa) and the clutch pin (118) returns to its original steady position by force. There is. In other words, the starting plate (111
) is slid to the imaginary line position in FIG. 20 only immediately after the lever (+2) (114) is turned off to release the suppression of the operation plate (103) by the bottle (+07).

Thereafter, the starting plate (111) is returned to its original position, and when the pressure on the operating plate (103) is released, the binding clutch (86) is engaged, and the runner (97) reciprocates and returns to its original position. When returning, press the operation plate (103) with the bottle (107) and bind the 2,000 yen (86).
It is configured so that it is turned off again.

As shown in FIGS. 24 and 25, the side door (73
) is attached to the side plate (3a) via a bracket (122) and a rotation fulcrum shaft (123) so as to be openable and closable.
1) is integrally attached, and a spring (
127) Attach a hook (128) that applies force, and properly engage the hook (128) with a locking member (129) that is integrally fixed to the side plate (3a) to lock the door (73). While doing so, hold the handle (1) around the shaft (125).
2B) and lock member (1213) and hook (1
The door (73) is configured to be opened when the engagement of the door (73) is released.

As shown in FIG. 26, the output shaft (1) of the engine (7)
30), the input shaft (131) of the traveling transmission section is interlocked and connected to the output shaft (130) via pulleys (132) (133), a belt (130), and a running latch (135) which is a tension roller. Attach the counter shaft (138) to the pulleys (132) (137) and belt (
138) as well as a working clutch which is a tension roller (
139). Further, the counter 4d (t3s)
(142) and chain 7 (+43), and the drive shaft (57) of the upper pipe conveyor (1B) and the binding device (10) are connected to the sprocket shaft (140).
) of the drive input shaft (144) of the sprocket (145) (
14B) (84), chain 7 (147), and tension sprocket (148), and the upper and lower pipe conveyors (1B) (17) and the binding device (lO) are connected by engaging the work clutch (139). It is configured to be driven.

As shown in FIGS. 27 to 28, the veil forming chamber (
15) A bale (A) external take-out device (149) is installed inside the bale (A), and a bale cross-feeding device is installed in a concave groove (151) formed in the bale-forming fifth side wall (150) of the side plate (3a). The bail drawer plate (152) is buried, and the chain plate (152) is connected to the rod (153) and rod guide (15).
0 to the left side plate (3a) outside drawer handle (15
5), and when the door (73) is opened, the handle (
155), the right side of the bale (A) is pressed by the pull-out plate (152), and the left side of the bale (A) protrudes to the left outside of the bale forming chamber (15). . Further, as shown in FIGS. 16 to 17 and 29, a normally closed central detection switch (
15111) and a normally open work clutch switch (157) that detects a person in the work clutch (139), and a manual switch (+58) and a normally open work clutch switch (+80).
are connected in series, and the warning buzzer (180) is activated when the bail pressure reaches a certain level.

In addition, (4a) in FIG. 1 is a pick-up guide plate Z, which guides the picked up hay along the guide rod (4h) to the bale forming chamber (15) and is installed so that its mounting position can be changed.

The present embodiment is constructed as described above, and the hay picked up by the pickup section (0) is carried into the bale forming chamber (15) by the lower pipe conveyor (17), and the hay is carried into the bale forming chamber (15) by the upper and lower pipe conveyor (1B) (17). ) to form a roll-shaped veil (A).

Now, when the diameter of the bale (A) is larger than a predetermined diameter, the chain guide (20) of the upper pipe conveyor (1B) is moved over the fulcrum spring (82) by the pressure of the bale (A). It is pushed upward by a certain angle (α) about the resisting shaft (57), turning on the switch (83) and driving the alarm device to notify the operator that the veil (A) has been formed.

When the running latch (130) is turned off via the running latch lever (12), the starting plate (111)
, the binding clutch (8B) is turned on via the switching arm (108) and the operation plate (103), and binding by twine (9-ri) begins. In other words, the runner ( As shown in the direction of the arrow 161m by the drive of the checker 7 (83), the delivery port (92) is reciprocated from the center to the right, from the right to the left and from the left to the center. ), the twine (91) is wound spirally through the guide fitting (9B) as shown in (1) to (5) in Fig. 30, until the launch (97) reaches the left and right end of movement. When folding back, the locking pin (90 is one end edge (95a) of the engagement hole (35)) connected to the chino (83) as shown in the imaginary line in FIG.
The runner (97) until it comes into contact with the other edge (95b)
The movement of the veil (A) is stopped, and the twine (
91) is wrapped in a thick layer to prevent the formation period of the veil (A) from being delayed. When the runner (97) returns to the center position again and the winding of the twine (91) is completed, the pin (101) installed on the runner (97)
) comes into contact with the cam-shaped protrusion (99a) of the cutter (99) and lifts the cutting part of the cutter (99) to cut the twine (81).

In other words, when the latch lever (12) for the current running is switched to the disengaged state, the clutch lever (114) swings to the imaginary line position in FIG. 22, and the clutch pin (114) engages with the engagement surface (114a) The cam member (115) connects to the shaft (118) via the shaft (118).
The wire (109) is rotated in the opposite direction around the wire (117).
) is pulled and the start plate (111) slides in the entry direction, and when the cam member (115) rotates over a certain range during this period, the cam 1A (
120), the cam member (115) retreats, the clutch pin (118) and the clutch lever (114) are disengaged, and the starting plate (111) is moved by the spring (+1
0) Force returns to the original cut position. In this way, the start plate (111) slides to the position shown in the phantom line in Fig. 20 by one action immediately after the running latch lever (12) is turned off, and is normally held at the position shown in the solid line in Fig. 20. in,
During this slide operation, push up the release pin (112) with its action surface (lla) to switch the switching arm (108), and press the pin (107) against the operation plate (103).
The binding clutch (86) is turned on by releasing the pressure.

And lunch (37) by this clutch (8B) person
) moves back and forth once from the center to the right side, from the right side to the left side, and from the left side to the center together with the switching arm (108),
During the movement of the launch (97), the switching arm (108) maintains a steady posture with a torsion spring (+06) force, and when the launch (97) returns to the center position from the left side, the clutch pin (107) on the operation board (10
3) in contact with the operating surface (103a) of the operation plate (103).
) to disengage the binding clutch (86) and stop the movement of the launch (97). Also, when the binding clutch (8B) is engaged, the main and sub rotating bodies (89) (9
3) rotates and the twine (91) is fed forward through the delivery port (92) and the guide plate (98), and the twine (91) fed out onto the guide plate (98) is the launcher. When (97) moves to the right (left in FIG. 19), it slides on the slope (Ha) of the guide fitting (9B) and is introduced into the guide hole (98b), and thereafter the bail is passed through the hole (98b). (A) A twine (81) is supplied to the outer periphery, and the launch (S7) returns to the center position from the left side and the launch (9
When the pin (101) of the cutter (99) comes into contact with the cam-shaped projection (Ha) of the cutter (99) and lifts the cutter (98), the twine (91) is cut and the bundling is completed, while the latch lever ( 12) is in the off state and twine (91)
If you want to perform bundling using the lever (11),
4) In this case, the lever (114) is located at the imaginary line position in Figure 22, and when performing binding work, the lever (114) is returned to the solid line position in the figure and pulled up again to the original imaginary line position. As a result, the binding clutch (8B) is turned on and binding is started in the same way as in the above-mentioned operation.

Next, operate the handle (12B) and lock the lock member (129).
The hook (12B) is disengaged from the door (7).
3), when opening the link (74) (7507B
) and rod (72) to move the cheno guide (20) upward by a certain angle (β), and then move the upper pipe conveyor (16) upward.
A gap is created between the veil (A) and the veil (A).
This makes it easier to take out by sliding it laterally.

Also, when taking out the bale (A) on the left outer side, the winding end direction of the twine (91) is in the right direction when the bale (A) is taken out in the direction of the left broken line arrow in Fig. 30 (5). Therefore, even if contact resistance is applied to the winding end of the twine (91) during unloading, the inconvenience that the twine (91) becomes loose due to tightening direction is prevented.

On the other hand, when the work is finished, etc., the operation handle (43
) When the pickup unit (0) is to be lifted to the highest position by operation, the handle (43) must be located in the storage position in an approximately upright state regardless of the adjustment position of the pickup unit (4). This allows the topsoil to be stably maintained at approximately the same level of height.

In addition, the hay picked up by the pick-up section (0) during the 2 operation is transferred to a single lower pipe conovea (!7) which also serves as bale formation.
), the hay is carried into the bale forming chamber (15) smoothly without clogging due to poor transfer. Furthermore, since the rotation of the pick-up finger (36) and the rotation of the lower pipe conveyor (17) are synchronized, there is no difference in rotation, and the items can be picked up and handed over to the conveyor (17).

“Effects of the Invention” As is clear from the above examples, the present invention
The straw picked up in the whelk part (4) is transferred to the bale forming room (15).
At the same time, it is formed into a roll-shaped bale (A).

In a structure in which the outer periphery of this bale (A) is bound by twine (91) supplied from a binding device (10),
Twine (91) is placed on the outer periphery of the veil (A) sequentially when moving from side to side.
The twine guide body (37) is provided with a twine guide body (37) for spirally winding the twine guide body (87), and the twine guide body (87) is temporarily stopped at the end of left and right movement, and the twine guide body (91) at both left and right ends of the bale (A) is temporarily stopped.
) is wound multiple times, so the twine (9I) at both ends of the veil (A) are wrapped extremely tightly, and delays in the formation of the veil are reliably eliminated.
As a result, the bale (A) can be handled better, resulting in significant effects such as improved efficiency in subsequent processes, such as collection work.

[Brief explanation of the drawings] Fig. 1 is an explanatory diagram of the bale forming section, Fig. 2 is an overall side view, Fig. 3 is an open plan view, Fig. 4 is a plan explanatory diagram of the upper pipe conveyor section, and Fig. 5 is an explanatory diagram of the upper pipe conveyor section. The figures are the ■-n line fixation view of Figure 1. Figure 6 is the same ■-■ line view of Figure 1. Figure 7 is an explanatory plan view of the pickup section. Figure 8 is an explanatory side view of the same. Figure 9 is the pickup section. , FIG. 10 is a longitudinal sectional view of the upper pipe conveyor section, FIG. 11 is a plan view of the open part, FIG. 12 is an explanatory diagram of the operating state in Fig. 14 is an explanatory plan view of the same, FIG. 15 is an explanatory cross-sectional view of the binding device Wt section, FIG. 16 is an explanatory plan view of the same, FIG. 17 is an enlarged explanatory view of the intermediate part, and FIG. 18 is an explanatory view of the runner section. 19 is an explanatory front view of the same, FIG. 20 is an explanatory rear view of the binding clutch section, FIG. 21 is an explanatory plan view of the same, and FIG. 22 is an enlarged explanation of the binding clutch operating section [-4, Fig. 23 is an explanatory plan view of the same, Fig. 24 is an explanatory plan view of the door section, Fig. 25 is an enlarged explanatory view of the same part,
Figure 26 is an explanatory diagram of the drive system, Figure 27 is the bale drawer (4
)... Pickup part (10)... Binding device (1
5)... Veil formation chamber (91)...
In (97)... Twine guide (A)... Ba -
Applicant Yanmar Agricultural Machinery Co., Ltd. Seirei Kogyo Co., Ltd. Agent Tadashi Fujiwara 10 1D Kiki II I! ] z 阜 18 dented q7 element tq It ne 227 Hayabusa 23 Kyodai 501 sword A (3)

Claims (1)

[Claims] In this structure, the straw picked up by the pick-up section is formed into a rolled bale in the bale forming chamber, and the outer periphery of this bale is bound by twines supplied from a binding device.As the bale moves left and right, the twines are sequentially spirally wrapped around the outer periphery of the bale. A roll baler comprising a twine guide for winding the bale in a shape, the twine guide being temporarily stopped at the end of left and right movement, and the twine at both left and right ends of the bale are wound multiple times.