JPS63173525A - Bale discharge apparatus of 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 grass, straw, etc. scattered in a field with a pick-up section and forms it into a rolled bale in a bale forming chamber. The present invention relates to a bale discharging device for a roll baler that discharges bale from a bale forming chamber after being bundled by twine.

``Prior Art'' Conventionally, as shown in Japanese Patent Application Laid-Open No. 81-271920, the opening and closing of a conveyor in the bale forming chamber and the entrance and exit of a bale pusher are linked with the opening and closing of a door on the side of the bale forming chamber. There is a technique in which the bale side end protrudes from the bale forming chamber by an opening operation.

``Problems to be Solved by the Invention'' In the prior art, the door is opened and closed manually, and the operator is required to take out the bale from the bale forming chamber, so this method saves labor in the bale discharging operation. In addition, since it is necessary to release the lock when opening the door, the door opening/closing mechanism cannot be easily simplified.

"Means for Solving the Problems" However, the present invention provides an a-rubeler in which a door for taking out bales from a bale forming chamber is opened and closed by a cylinder.
The cylinder support portion is provided with a flexible mechanism, and the cylinder support portion is connected to an unlocking member of the door.

"Function" Therefore, the door can be unlocked using the cylinder action that opens the door, the door can be opened and closed functionally with a simple structure, and the door opening/closing mechanism is simpler than the conventional one. This makes it possible to easily automate the bale discharge work.

Embodiment Embodiments of the present invention will be described in detail below with reference to the drawings. 1st
The figure is an explanatory plan view of the door section, Figure 2 is an overall side view, and Figure 3 is a plan view of the same. a baler section mounted on a stand (1); (4) a pickup section which is mounted on the front force of the baler section so as to be able to be raised and lowered and has a pickup guide plate (5);
(6) is installed behind the machine base (1) and the engine (7)
The engine part (8) is the engine part (6)
A driving operation section having an operation panel C9) arranged at the left and right center of the rear body of the machine, (10) a binding device installed inside the front side of the baler section (3), and (11) on the left side of the driving operation section (8). (12) is a pickup lift adjustment handle for adjusting the support height of the pickup section (4); (13) is a running latch lever provided on the operation panel (9); (14) (14) ), the left and right side clutch levers 1 (15) are sub-shift levers.

In the baler section (3), a main vibe conveyor (113) and a sub-vibe conveyor (17), which are curved bale forming conveyors, are disposed facing each other to form a bale forming chamber (18).
), and as shown in FIGS. 4 and 5, the auxiliary pipe conveyor (17) has a drive sprocket (19).
A pair of left and right auxiliary endless chains (23) (23) are stretched between the idler (20) and the chain guide (21) and the chain tension guide (22), which is a chain guide.
A plurality of auxiliary veil forming pipes (24) are hung horizontally at equal intervals between these left and right chenos (23) (23).

Further, as shown in FIG. 7, the main vibe conveyor (16
) is a drive sprocket (25) provided approximately above the center of the baler part (3), and an idle sprocket (28) provided in front of the baler part (3) facing the pickup part (4). A pair of upper and lower cheno guides (27)
(28) and tension rollers (29) and (30), a pair of left and right main endless chains (31) and (31) are stretched, and a plurality of main veils are formed at equal intervals between these left and right chains (31) and (31). A vibrator (32) is hung horizontally.

Further, a base end of a pickup case (33) of the pickup section (4) is supported vertically movably on the same axis as the idle sprocket (28), and an eccentric shaft (34) is attached to the case (33). A pickup drum (
36) is installed, and the pickup drum (36) is installed.
The movement in the field is picked up by the pick-up finger (35) of [6], and the movement is carried into the bale forming chamber (18) by the main vibe conveyor (16), and the movement is conveyed between the conveyor (16) and the sub-vibration chamber (18) in the chamber (18). A movement is formed on the roll-shaped bale (A) by rotation with the pipe conveyor (17), and after the formation of this bale (A) is completed, the bale (A) is
) The outer periphery is bound by the twine (37) of the binding device (10), and the door (3) on the left side of the bale forming chamber (18) is tied.
8) The structure is such that the bale (A) is discharged to the outside of the machine.

Furthermore, the pair of Chenogai FC28) in the main vibe conveyor (16) connects both ends to the shaft (25a) of the sprocket (25) and the shaft (39a) of the counter pulley (39) to the upper and lower signboards (40) ( 41), and the shaft (39) of the counter pulley (39)
By swingably supporting the lower stile signboard (41) on the same axis as the main vibe conveyor ( The bale forming chamber (18) is expanded by moving the semicircular bale forming part (lea) on the feeding end side of the IB) to the rear side.

As shown in FIG. 5, the Cheno guide (2B
) is provided with a conveyor moving link mechanism (
42), and the door (38)
A rotating arm (
44), a rod (45) that is freely connected to the arm (44) with an installation length tA, and a shaft (4) that is attached to the side plate of the baler part (3).
6) to swingably support the proximal end through the pin (47).
a first swinging plate (48) whose tip is connected to the rod (45) through the swinging plate (48), a connecting plate (50) whose lower end is connected to the swinging plate (48) through a bottle (49), and the baler section. (3
) a swinging arm (53) whose base end is swingably supported on a rotational fulcrum shaft (51) of a side plate and whose distal end is connected to the upper end of the connecting plate (50) via a shaft (52); Axis (5
A swinging arm (50) whose base end is fixed to 1);
a connecting plate (54) connected to one end via a pin (55);
56), and a second rocking mechanism in which the side plate of the baler part (3) is rockably supported in the middle via a shaft (57), and one end is connected to the other end of the connecting plate (56) through a pin (58). Board (59
), a guide connecting plate (62) connecting the pivot plate (40) and the second swing plate (58) via pins (80) and (81), respectively, and connecting plate (50) and the shaft ( 52) is provided with a bail compression spring (63) which is tensioned in such a way that the spring pressure can be freely adjusted, and a spring (63) for compressing the bail when the door (38) is replaced and opened.
63) While holding the end of the main pipe conveyor (1B) in the forward moving position by force, the end of the main pipe conveyor (16) is moved to the rear expanded position via the link mechanism (42) when the door (38) is opened. It is configured to move at a certain angle.

In addition, a bail pressure detection switch (64) is provided on the side plate of the baler part (3) to detect when the diameter of the bale (A) reaches a certain finished diameter or more by the contact pressure on the outer periphery.
A switch operating member (65) is attached to the connecting plate (50), and an L-shaped arm (66) is fixed to the operating member (65).
is provided to be in contact with the switch (91), and when the diameter of the bail (A) exceeds a certain level, the contact pressure causes the spring (
63) The main pipe conveyor (16) resists the force and the shaft (39a
) when opened backward at a certain angle around the axis (51).
The shaft (52) of the swinging arm (53) is connected to the connecting plate (5
0) along the elongated hole, rotate the operating member (65) counterclockwise, and release the L-shaped arm (6) of the operating member (65).
6), the switch (64) is turned on and the alarm device is activated to notify the operator of the completion of forming the veil (A).

Further, the base end of the indicator (67) is fixed to the operating member (65), and the switch (6
4) is checked using this indicator (67), while this reset is performed externally when the operating member (65) crosses over the fulcrum and malfunctions due to vibration or the like.

As shown in FIGS. 6 to 8, this reset is performed from the outside when the door (38) is crossed and malfunctions.

As shown in FIGS. 6 to 8, a bale push-out plate (69), which is a bale push-out tool, is further interlocked and connected to the door (38) via a bale push-out link mechanism (68). ), and a rotating arm (71) integrally fixed to the upper rotating fulcrum shaft (70) of the
2) and a rod (
74) and the left and right side plates (3a) (3a) of the baler part (3)
The base end of the rod (70) is swingably supported via a support shaft (76) on a frame (75) fixed therebetween, and the other end of the rod (70) is connected to a pin (
a swinging arm (7B) connected to the middle via 77);
A connecting plate (80) whose one end is connected to the tip of the young bird swinging arm (78) via a pin (78), and left and right side plates (3B) (
3a) Two parallel guide rods (81) installed between them
a sliding body (83) slidably supported by (81) and connected to the other end of the connecting plate (80) via a pin (82);
It is provided with an extruded connecting plate (84) that connects the extruded plate (69) and the sliding body (83), and is provided with an extruded connecting plate (84) that connects the extruded plate (69) and the sliding body (83), and in the first half of the opening of the door (38), the elongated hole (73) has a relief. The push-out plate (68) does not operate, and a pin (85) is provided protruding from the sliding body (83), and a clamping spring (86) for locking the pin (85) is fixed to the side plate (3a). , in a structure in which the rod (74) is moved freely by the elongated hole (73) in the opening half of the door (38), when the door (38) is fixed in the closed position, the bail extrusion plate (68) is caused by mechanical vibration or the like. ) moves by the amount of escape of the elongated hole (73), so the bale extrusion plate (89) is moved into the bale forming chamber (18).
) When the pin (85) is stored in the deepest position, the spring (8
6), and these support the sliding body (83) in contact with the side plate (3a), thereby preventing the bale extrusion plate (69) from moving toward the forming chamber (18) during bale formation. It is structured as possible.

Further, as shown in FIGS. 1 and 9, the front end side of the door (3 days) is connected and supported by the left side plate (3a) of the baler part (3) via the rotation fulcrum shafts (43) and (70). With,
A handle (80) is attached to the rear end of the door (38) via a shaft (87) so that it can be freely pulled out, and a handle (80) fixed to the side plate (3a) is latched and supported by a lock arm (89). On the other hand, when swinging the first handle (88) to the outside of the machine and pulling it out,
The hook (80) moves with this and the lock arm (88)
It is configured so that it deviates from the

It also includes a hydraulic cylinder (92) which is a door opening member that opens and closes the door (38).
) is connected to the upper surface of the door (38) via a pin (94), and a base plate (95) serving as a cylinder support is connected to the rear end of the cylinder (92).
A support stand (96) that is integrally extended and fixed to the side plate (3a)
to the board (95) through the pin (97) and long hole (98).
, and the cylinder (
The piston rod (93) is configured to move forward after the piston rod (92) is displaced.

Further, the arm (99) fixed to the side plate (3a) rotatably supports the shaft (100), and the release arm (1) is a lock release member brought into contact with the inside of the handle (88).
01) is fixed to the lower end side of the shaft (100), and the arm (102) fixed to the upper end side of the shaft (100) and the substrate (85) are connected by a link (103) and a pin (1
04) (105) and said door (38).
] When opening the cylinder (
92) is displaced in the backward direction, the release arm (101) is rotated to push out the handle (8th), and the lock arm (89) is
When the hook (90) is removed, the bale (A) pressure in the bale forming chamber (18) acts on the door (3 days) as an opening force, so the piston rod (93) ) easily separates from the rotation fulcrum shaft (70), and even if the advancing force of the piston rod (93) that acts as the rotational force of the door (38) is small, the door (38) is easily moved in the initial stage of opening. Since the door is opened at the same time, the pin (84) only needs to be slightly misaligned with respect to the line connecting the fulcrum shaft (70) and the pin (37), and the thickness of the door (38) can be reduced and the door (3rd) The piston rod (93) can be easily connected to the top surface, and the hook (90) is locked to the lock arm (89) by simply closing the door (38) with the cylinder (92), and the door ( 38) is fixed in the closed position, the door (38) can be locked mechanically, making it unnecessary to lock the door (38) using hydraulic pressure of the cylinder (82), etc. door(
38) locking and unlocking, and the conveyor (1B)
(17), and the opening and closing of the bale extrusion plate (69), which is a bale extrusion tool, are performed in conjunction with each other by the cylinder (92).

Next, as shown in Figures 1O to 1Z, a hydraulic pump (107) is connected to the cylinder (82) via a 3-position, 4-boat type bail discharge valve (TOE), and the valve (108) is switched. Release lever (108)
are arranged in the operation section (8) shown in Fig. 3, and 2
Rank i? The 13-port electromagnetic valve (109) is connected between the valve (106) and the pump (107).

In addition, the first latch lever (13) running along the guide groove (ito) is installed so as to be switched to the large or off position as shown in the figure, and the latch lever (13) runs when the lever (13) is turned off at the off position. A normally closed travel switch (111) is provided to detect the neutral position of the bale, and a travel switch (111) is provided along the guide groove (112) at each of the bale forming, neutral and bundling positions as shown in Figure 1'L. A switch is installed to switch the clutch lever (11) and is turned off via the arm (113) only when the lever (11) returns from bundling to a neutral position to detect completion of bundling of bales (A). (114)
, and each of the switches (1
11) Connect this power supply (11B) to the solenoid (115) of the electromagnetic valve (109) via (114), and keep the solenoid (115) on by anything other than the neutral position output of the switches (111) (114). to maintain the valve (109) in an unloaded state, and the cylinder (
92) while keeping the switch (lit)
The neutral position output of (114) causes the solenoid (115
) is turned off, and the operation of the cylinder (92) is controlled by operating the release lever (108) to release the bale (A).

The present embodiment is constructed as described above, and the dyed grass such as hay picked up by the pickup section (4) is carried into the bale forming chamber (18) by the main pipe conveyor (16), 16) A roll-shaped veil (A) is formed using (17).

Now, when the diameter of the bale (A) is being formed to a predetermined constant diameter, the chain guide (2nd) of the main pipe conveyor (16) is activated by the spring (63) due to the bale (A) pressure. In this state, the operating member (6
5) in the counterclockwise direction, and the arm (66) turns on the switch (64). When this switch (64) is turned on, the alarm device is activated and the veil (
Notify the worker of the completion of the formation of A).

In this case, the shaft (52) moves within the elongated hole of the connecting plate (50) and operates independently of the door (38). After that, the work clutch lever (11) is operated to switch the binding position, and the twine (37) supplied from the binding device (lO) is wrapped around the outer circumference of the bale (A). - (11) is returned to the neutral position, the switches (111) and (114) for detecting the neutral state of the running latch and working clutch are turned off to maintain the electromagnetic valve (IH) in the rotary state.

In addition, by operating the bale release lever (108) to switch the bale release valve (108) and advance the piston rod (93) of the cylinder (92), the cylinder is released by the escape amount of the elongated hole (88), as shown in Fig. 8. (92) is retracted, the release arm (101) is rotated by the retraction movement of its cylinder (32) via the link (103) and the arm (102), and the handle (88) is pushed out by the release arm (101). From the lock arm (89) to the hook (
90) and unlock the door (38).

By roughly advancing the piston rod (83) by operating the bail release lever (108), the swing arm (
While the rod (78) is stopped, only the rod (74) is swung, and as shown in Fig. (54)
, the main pipe conveyor (16) in conjunction with the door (38) via the connecting plate (5B), the swing plate (53), and the connecting plate (62).
) is moved backward, and in the first half of opening the door (38), the terminal end of the main pipe conveyor (16), that is, the bale forming part (IEla) automatically moves backward by a certain angle around the axis (39a), and the bale is removed. The conveyor for (A) (
16) is removed from the suppression.

Furthermore, by advancing the piston rod (83) by operating the bail release lever (108), the arm (71), rod (74),
The door (3) is connected via the swing arm (78) and the connecting plate (80)
8), the sliding body (83) is moved in the direction of the door (38) installation, and in the latter half of opening the door (38), the extrusion plate (69) operates, and the veil (A) is moved to the door (38) opening. It is pushed out from the machine.

Next, the piston rod (83) is retracted by operating the bail release lever (10B) to perform the opposite operation to the above, retracting the extrusion plate (69) in the first half of the closing movement of the door (38), and retracting the piston rod (83). In the latter half of the closing movement of the door (38), the main pipe conveyor (16) is moved back forward,
The door (38) is returned to the closed position, the release arm (101) is supported away from the handle (88), the hook (80) is engaged with the lock arm (89), and the door (38) is returned to the closed position.
8) is fixed in the closed position.

Further, when the handle (88) is pushed out by the release arm (101) to unlock the door (38), the bale (A) pressure in the bale forming chamber (18) is transferred via the conveyor moving link mechanism (42). During this time, the rotational fulcrum shaft (70) is located close to the extension line of the piston rod (94), and the rod (94) acts as power during this time.
) Door (38) Even if the opening force is small, the door (
38) is opened smoothly, and the cylinder (92)
) is retracted and the hook (90) is released, the pin (97) moves within the elongated hole (88) due to the bail (A) pressure, and the cylinder (92) returns to the position in Figure 1, and the pin (97) moves inside the elongated hole (98).
) The door (38) is opened by the bail (A) pressure by the escape amount of the cylinder (9) when the door (38) starts opening.
2) Apply pressure and move the pin (94) connecting the piston rod (93) to the fulcrum shaft (7) with the door (38) in the closed position.
Even if you approach the straight line connecting the door (3) and the pin (97),
8) The door (38) which can be opened easily and the cylinder (92) is arranged has a small upper surface width, and the cylinder (82) can be mounted compactly within the upper surface width of the door (38).

Furthermore, FIG. 13 is a partial explanatory view showing a modification, in which the bail release lever (+08) is attached so as to be switched between the return, neutral, and push-out positions along the guide groove (117), and the lever (+08) is installed in the neutral position. a lock arm (+18) that engages with the lever (108) and fixes the lever (108), a solenoid (119) that keeps the lock arm (118) engaged with the lever (108), and the lever (108).
A spring (120) that separates the lock arm (118) from
), each lever (11) (13) shown in FIG. 10 and FIG. 12 of the above embodiment returns to neutral and each switch (
When no (114) is turned off, each switch (11
1) The solenoid (+19) connected to (114) is turned off, and the lock arm (08) is turned off by the spring (+20).
) from the bale release lever (10B), while removing the latch lever <-(11) and moving the latch lever (13).
) is in a position other than neutral, and the working clutch lever (
11) returns to neutral from anything other than unity, the solenoid (
+19) is energized and held, and the bail release lever (10B) is fixedly supported by the lock arm (118).

"Effects of the Invention" As is clear from the above embodiments, the present invention provides a roll baler in which a cylinder (92) opens and closes a door (38) for taking out a bale (A) from a bale forming chamber (18).
A flexible mechanism (98) is provided on the cylinder (92) support part, and the cylinder (92) support part is connected to the unlocking member (101) of the door (38), thereby opening the door (3B). The door [38] can be unlocked by using the cylinder (92) movement, and the door (38) can be opened and closed mechanically with a simple structure. Simplification of the opening/closing mechanism and veil (A
) This has the effect of easily automating the discharge work.

[Brief explanation of the drawing]

FIG. 1 is an explanatory top view of a door section showing an embodiment of the present invention;
Fig. ff52 is an overall side view, Fig. 3 is a plan view of the same, Fig. 4 is an explanatory side view of the baler section, Fig. 5 is a side view of the link mechanism,
FIG. 6 is a plan view of the bale extrusion section, FIG. 7 is a side view of the same, FIG. 8 is a partial view of FIG. 6, FIG. 9 is a partially enlarged plan view, and FIG.
FIG. 0 is a hydraulic circuit diagram, FIGS. 11 and 12 are explanatory diagrams of lever attachment, and FIG. 13 is a partial explanatory diagram showing a modification. (A) ... veil (18)
・・・ Veil formation chamber

Claims (1)

[Claims] A roll baler in which a door for removing bales from a bale forming chamber is opened and closed by a cylinder, characterized in that the cylinder support part is provided with a flexible mechanism, and the cylinder support part is connected to an unlocking member of the door. Device.