JPH0531884Y2 - - Google Patents

Description

[Detailed description of the invention] "Industrial application field" This invention is a roll baler that takes cut grass or straw into a bale forming chamber, wraps a twine around the outer circumference of the bale formed from the straw, and takes it out of the machine. Regarding.

"Prior Art" Conventionally, as shown in Japanese Patent Application Laid-Open No. 170317/1983, there is a technique in which a conveyor for forming bales is provided and one side of the bale forming chamber formed by the conveyor is closed off with a bale extrusion plate. Ta.

"Problems to be Solved by the Invention" The above-mentioned conventional technology causes the bale push-out plate to move backward against a spring due to the bale pressure that is formed, and when the bale push-out plate exceeds a predetermined bale pressure, the bale pressure detection switch is activated by the bale push-out plate. On the other hand, when the door is opened, the bale pushing plate is advanced by a spring to push out the bale, so the bale pushing plate does not rotate around the bale axis formed in the bale forming chamber. As a result, large sliding resistance occurs between the side surface of the bale in the middle of formation and the bale extrusion plate, resulting in a large conveyor drive load and the bale formation drive load cannot be easily reduced. Since the bale extrusion plate is constantly pressed and retreats due to the bale pressure, there are problems such as the tendency for bales to be formed with non-uniform density.

"Means for Solving the Problems" However, the present invention provides a roll baler equipped with a conveyor for bale formation, which includes a rotary plate body that closes the side surface of the bale formation chamber formed by the conveyor, The rotary plate body is rotatably attached to a fulcrum shaft provided at a center position of the bale axis to be formed.

``Function'' Therefore, the rotation of the bale in the bale forming chamber causes the rotary plate to rotate, which almost eliminates the sliding resistance between the side of the bale and the body of the conventional bale extrusion plate, which occurs during bale formation. The conveyor driving load can be significantly reduced compared to the conventional one, the bale forming driving load can be easily reduced, and the durability of the engine and conveyor driving section can be improved and the size and size can be simplified.

"Embodiment" An embodiment of the present invention will be described below in detail based on the drawings.

Figure 1 is an explanatory diagram of the main parts, Figure 2 is an overall side view,
FIG. 3 is a plan view of the same, and in the figure, 1 is a machine base having a traveling crawler 2, 3 is a baler section mounted on the machine base 1, and 4 is a pick-up guide installed movably up and down in front of the baler section. A pickup section 6 has a plate 5, an engine section 6 is installed behind the machine base 1 and has an engine 7 therein, and 8 is an operation panel 9 disposed at the left and right center of the machine body behind the engine section 6. The operation section includes a binding device 10 disposed inside the front side of the baler section 3, a work clutch lever 11 disposed on the left side of the operation operation section 8, and a pick up/down adjustment handle 12 for adjusting the support height of the pick up section 4. , 13 is a traveling clutch lever provided on the operation panel 9, 14, 14 are left and right side clutch levers, and 15 is a sub-shift lever.

As shown in FIG. 4, curved main and sub-forming pipe conveyors 16 and 17 are disposed opposite each other in the baler section 3 to form a bale forming chamber 18, as shown in FIG. , the sub-forming pipe conveyor 17 has left and right endless chains 22, 22 stretched between the drive sprocket 19 and the idle sprocket 20 via a chain guide 21, and a plurality of bale-forming pipes 23 are arranged at equal intervals between these chains 22, 22. ...is placed horizontally. Further, the main shaping pipe conveyor 16 connects left and right endless chains 29 via chain guides 26, 27, tension rollers 28, etc. between a drive sprocket 24 provided in the baler section 3 and an idle sprocket 25 provided in the pick-up section 4. , 29 are stretched, and a plurality of veil forming pipes 30 are horizontally suspended over these chains 29, 29 at equal intervals.

Furthermore, a pick-up rotation fulcrum shaft 31 is provided coaxially with the idle sprocket 25, and the base end of the pick-up case 32 of the pick-up section 4 is supported on the fulcrum shaft 31 so as to be able to move up and down.
A pick-up finger 35 is supported at the front end of the case 32 via an eccentric shaft 34, and when the main shaping pipe conveyor 16 is driven, the pick-up finger 35 is simultaneously rotated to pick up hay from the field and feed it into the bale forming chamber 18. It is configured as follows. The hay sent into the bale forming chamber 18 is formed into a roll-shaped bale A by the rotation of the conveyors 16 and 17, and is also formed into a roll-shaped bale A by the twine B fed from the bundling device 10.
The outer periphery of the bale is tied and the bale is taken out from the machine through the bale removal door 36 on the left side of the bale forming chamber 18.

As shown in FIG. 5, the output shaft 3 of the engine 7
7, connect the input shaft 38 of the traveling mission 33 to the pulley 3.
9a, 39b and 40a, 40b and belt 4
1a, 41b, and low speed and high speed travel clutches 42a, 42b which are tension rollers. Further, a counter shaft 43 is connected to the output shaft 37 by pulleys 44a, 44b and 45a, 4.
5b and belts 46a, 46b and a tension roller low-speed and high-speed working clutch 47.
They are interlocked and connected via a and 47b.

It is also provided with a rotation fulcrum shaft 48 that opens the main shaping pipe conveyor 16 rearward when taking out the bale A from the bale forming chamber 18.
The fulcrum shaft 48 is connected to the counter shaft 43 via 9, 50 and a chain 51.

Furthermore, the drive sprocket shaft 52 of the main shaping pipe conveyor 16 is attached to the fulcrum shaft 48.
3, 54 and a chain 55, and a sub-forming pipe conveyor 1 is connected to the fulcrum shaft 48.
7 drive sprocket shaft 56 to sprocket 5
7, 58 and the fulcrum shaft 48 via the chain 59.
The drive input shaft 60 of the bundling device 10 is connected to the low speed pulleys 61, 62 or the high speed pulley 6.
3, 64 and a changeable belt 65, and when the work clutches 47a, 47b are engaged, the pipe conveyors 16, 17 and the binding device 10 are driven at low or high speed, and when the belt 65 is changed, the pipe conveyors 16, 17 and the binding device 10 are driven at low or high speed. The binding device 10 is configured to be driven at low speed (short cut straw) or high speed (long straw).

On the other hand, a rotating shaft 72 of a pick-up drum 71 is connected to the driven sprocket shaft 66 of the main shaping pipe conveyor 16 via sprockets 67, 68, a chain 69, and a pick-up clutch 70, and the drum 71 is rotationally driven via the conveyor 16. The straw is picked up by a pick-up finger 35.

Further, the binding device 10 is provided at a position diagonally above the driving sprocket shaft 56 in the front part of the bale forming chamber 18, and connects driving and driven sprockets 75, 76 which are supported via respective sprocket shafts 73, 74.
, a runner moving chain 77 that extends between these sprockets 75 and 76 and moves the twine B in the axial direction of the bale A, and the pulley 6 for inputting the bundling.
The rotation from 2,64 is transferred to a pair of worm gears 78,
a binding clutch 80 which connectably connects and disconnects the transmission to the drive sprocket 75 via the input shaft 60;
A main twine feeding roll 81 is pivotally supported via a one-way clutch (not shown), and the roll 8
It is equipped with an auxiliary twine feeding roll 82 that feeds out the twine B to the front side of the bale A by the pressure contact force during rotation of the twine roller 82, which is pressed into contact with the twine roller 1, and also has two small rolls or a large roll on the left side of the engine section 6 as shown in FIG. A roll box 83 containing one twine roll is placed thereon, the twine B from the roll box 83 is led out to the binding device 10, and each roll 81,
82 is moved toward and away from the twine B to feed out the twine B in the direction of bale A, and bale A is moved by engaging the binding clutch 80.
It is configured so that the twine B is wound around substantially the entire outer circumference.

Furthermore, a bale discharge shaft 89 is connected to the driven sprocket shaft support 84 of the sub-forming pipe conveyor 17 via sprockets 85, 86, a chain 87, and a bale discharge clutch 88, and each of the pick-up clutches 70 and bale discharge clutches 88 It is provided with a bail ejection lever 93 connected to arms 90 and 91 and a rotation fulcrum shaft 92 of the door 36, respectively, and the lever 9
3, the pick-up clutch 70 is disengaged and the door 36 is opened in conjunction with this, and then the bale ejection clutch 88 is engaged, and the pick-up is engaged in conjunction with the closing of the door 36 by the lever 93. The clutch 70 is configured to be actuated.

Further, as shown in FIG. 6, the pedestal 22 of the chain 22
The bale of the sub-forming pipe conveyor 17 is formed by the left and right pipes 23a, 23b which are rotatably connected and supported by a pin 94, and by the intermediate pipe 95 which is inserted into the left pipe 23a so as to be able to come in and out and is integrally connected to the right pipe 23b. The forming pipe 23 is configured and the door 3
6. Sawtooth-shaped lead plates 96 inclined in the installation direction are provided on the left and right pipes 23a, 23b, and the bale forming pipe 23 is installed obliquely with respect to the moving direction of the pipe conveyor 17, so that the bale forming chamber 1
The rotational movement force of the pipe 23 is applied as a discharge force to the bundled bales A in the bundled bale A in the direction of the door 36, and while the bale A is rotated by the pipe conveyor 17, a part of this rotational force is sent. The configuration is such that the bale A is discharged from the door 36 as an output.

Further, as shown in FIG. 1, a disc-shaped extrusion plate 96, which is a bale extrusion member, is disposed inside the bale forming chamber 18 on the opposite side of the door 36, facing the door 36, and the extrusion plate 96 is attached to the door. A discharge arm 9 which is a bale discharge member that moves in 36 directions.
7, and a spherical convex portion 9 at the tip of the discharge arm 97 is provided in a spherical concave portion 98 provided approximately at the center of the extrusion plate 96.
9 is rotatably fitted to the discharge arm 97, and a push-out plate 96 is provided to the discharge arm 97 so as to be rotatable around the axis of the bail A. support the wearer,
The rotation of the ejecting shaft 89 causes the ejecting arm 97 to reciprocate, and at the end of the reciprocal movement of the ejecting arm 97, the bale ejecting clutch 88 is actuated to disengage the ejecting plate 96.
The bale A in the bale forming chamber 18 is discharged out of the machine from the door 36 side by reciprocating once. As is clear from the above, the roll baler equipped with the conveyors 16 and 17 for forming bale A is equipped with an extrusion plate 96 which is a rotating plate body that closes the side surface of the bale forming chamber 18 formed by the conveyors 16 and 17. , the extrusion plate 96 is rotatably attached to a spherical convex portion 99 which is a fulcrum shaft provided at the bale A axis center position formed in the bale forming chamber 18,
By rotating the bale A in the bale forming chamber 18 by the conveyors 16 and 17, the extrusion plate 96 on the side surface of the bale A rotates due to the rotation of the bale A, and the rotation of the extrusion plate 96 causes the bale A to rotate. The structure is such that the veil A can be formed and the veil A can be extruded with almost no sliding resistance generated between the veil A and the side surface.

The present embodiment is constructed as described above, and the hay picked up by the pick-up section 4 is transferred to the bale forming chamber by the main shaping pipe conveyor 16.
8, the main and sub-forming pipe conveyor 16,
17 is also formed into a rolled bale A.
When the forming pressure of bale A exceeds the set value, the traveling clutch lever 13 is turned off to stop the crawler 2, and the working clutch lever 1
1 from low-speed work to high-speed work, forming chamber 18
The inner bale A is rotated at a higher speed than during this forming operation. Further, by the bundling operation of the lever 11, the twine B is paid out from the delivery rolls 81 and 82, and the twine B is dropped onto the upper surface of the lower conveyor 16, and the twine B is sent out to the bale A side.
When the tip of the twine B wraps around the bale A and is pulled, the binding clutch 80 is engaged and binding by the twine B is performed. When the twine B is cut, the binding clutch 80 is disconnected and the binding is automatically performed. When the work is completed, the pick up finger 35 is stopped by operating the bale ejection lever 93, and the door 36 is opened at the same time.Then, the bale ejection clutch 88 is engaged and the ejection arm 97 is moved by rotating the bale ejection shaft 89. door 3
Move in 6 directions. and pipe conveyor 1
6 and 17 rotate the bale A, and the bale A is sent out in the direction of the door 36 by the bale A sending force of the bale forming pipe 23 of the sub-shaping pipe conveyor 17.
6 rotates while pushing out the bale A, and ejecting the bale A from the door 36 to the outside of the machine.

The extrusion plate 96 moves back into the bale forming chamber 18 together with the ejection arm 97, and the ejection arm 97
The bale ejection clutch 88 is disengaged as a result of the backward movement of the bale ejection clutch 88, and the pushing plate 96 is moved back to a predetermined position.The door 36 is closed by operating the bale ejection lever 93, and the pick up finger 35 is rotated.
This will restart the bale formation work.

"Effect of the invention" As is clear from the above embodiments, the present invention provides a roll baler equipped with conveyors 16 and 17 for forming bale A, in which the side surface of the bale forming chamber 18 formed by the conveyors 16 and 17 is closed. It is equipped with a rotary plate body 96, and the rotary plate body 96 is rotatably attached to a fulcrum shaft 99 provided at the axial center position of the bale A formed in the bale forming chamber 18. Since the rotary plate body 96 rotates due to the rotation, the sliding resistance between the side surface of the bale A and the body side such as a conventional bale extrusion plate that occurs when forming the bale A can be almost eliminated, and the driving load of the conveyors 16 and 17 is reduced. can be made significantly smaller than before, the load on driving the bale A formation can be easily reduced, and the durability of the engine 7 and the conveyor 16, 17 driving parts can be improved and the conveyors 16 and 17 can be easily made smaller and simpler. .

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram of the main parts showing one embodiment of the present invention, Fig. 2 is an overall side view, Fig. 3 is a plan view of the same,
FIG. 4 is a side view of the baler section, FIG. 5 is an explanatory diagram of the drive, and FIG. 6 is an explanatory diagram of the pipe conveyor. 18...Bale forming chamber, 36...Bale removal door, 96...Extrusion plate (bale extrusion member), 9
7... Discharge arm (bale discharging member), A... Bale.

Claims (1)

[Scope of utility model registration request] In a roll baler equipped with conveyors 16 and 17 for forming bale A, the conveyors 16 and 17
A fulcrum shaft 99 is provided at the center position of the bale A axis formed in the bale forming chamber 18, and includes a rotary plate body 96 that closes the side surface of the bale forming chamber 18 formed by the bale forming chamber 18.
A roll baler characterized in that the rotary plate body 96 is rotatably attached to the rotary plate body 96.