JP2582264Y2 - Roll veil wrapping machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a roll bale which is formed by winding pastures into a roll by a roll baler, and then matured into a high quality silage. The present invention relates to an improvement in a roll bale wrapping machine used for wrapping and packaging a plastic film.

[0002]

2. Description of the Related Art Generally, as shown in FIG. 1, a roll bale wrapping machine A is constructed by connecting a plurality of frame rods, assembling them into an underframe along a plane, and supporting legs 10 provided on the peripheral edge thereof. Form a main body frame 1 that can be mounted on a desired place, and a front end side (right end side in the figure) of the main body frame 1 is connected to a three-point link hitch provided on the rear side of the body of the tractor. A top link hitch 11 and a lower link hitch 12 are provided on the upper surface side of the main body frame 1 around a fulcrum shaft 21 by the operation of a hydraulic cylinder 20, as shown in FIG. A dump frame 2 that rotates dumping sideways is supported, and a turntable 3 that has a rotating shaft 30 in a vertical direction is supported on the upper surface of the dump frame 2 as shown in FIG. The upper surface of the table 3, the roller 41, 41 respectively rotate by the rotating shaft 40, 40 in which the axial laterally and Jikuka by parallel pair, these rollers 41, 41, a plurality of endless belts 42
42 are arranged side by side in the axial direction and wound endlessly, and the endless belts 42 arranged side by side constitute a bale support table 4 for rotatably supporting the roll bale B, and the periphery of the main body frame 1. A stretch unit 5 for feeding a plastic film F to a roll bale B placed on an upper surface of the bale support 4 is provided at the portion, and these constitute a wrapping machine A.

Accordingly, the main frame 1 is connected to the tractor by the top link hitch 11 and the lower link hitches 12 on the front end side of the main frame 1 and the three-point link hitch provided on the rear side of the body of the tractor. It is mounted and moved to a desired place by traveling of the tractor in this state.

Then, at that location, a roll bale B is placed on the upper surface of the bale support 4 and an end of the plastic film F drawn out of the stretch unit 5 is wound around the peripheral surface thereof as shown in FIG.

Next, in this state, the drive mechanism of the turntable 3 and the drive mechanism of the roller 41 of the bale support 4 are operated by the rotational power transmitted from the PTO shaft of the tractor via the universal joint shaft,
The plastic film F is wound around the roll bale B on the bale support 4.

Next, when the winding operation is completed, the hydraulic cylinder 20 is actuated by hydraulic pressure guided from a hydraulic device provided on the body of the tractor, and the dump frame 2 is dumped and rotated as shown in FIG. By
Release the roll bale B. At this time, the plastic film F fed from the stretch unit 5 is cut by a tie-and-cut 6 provided on the turntable 3 and the feeding end of the film F is held.
It is used so that the wrapping operation of one roll bale B is completed.

[0007]

The wrapping machine A constructed as described above discharges the roll bale B which has been wrapped and wrapped by the operation of the dump frame 2 to the side of the main body frame 1. When the wrapping operation is performed by the wrapping machine A, the wrapping machine A is connected and mounted in order to load the roll bale B, which has been wrapped and released to the field after the wrapping, onto the carrier of a truck such as a truck. There is a problem that a restriction that a work machine such as a forklift and a front loader must be provided on the front side of the body of the tractor is required.

Further, the roll bale B which has been wrapped and packed is
Is released onto the surface of the field, the film wrapped on the peripheral surface of the roll bale B hits the stubble of grass or pebbles on the surface of the field, and the airtightness is broken. In many cases, there is a problem that it is difficult to ripen a good quality silage by maintaining high airtightness.

Furthermore, when loading the roll bale B, which has been wrapped and wrapped, on the carrier of a truck such as a truck by manual operation or by using a front loader, the surface of the field becomes lower than the farm road where the truck stands by. In such a case, there is a problem that the efficiency becomes extremely low.

[0010]

The purpose of the present invention is to solve these problems which have occurred in a conventional roll bale wrapping machine. A roll bale B that has been wrapped and wrapped on a bale support 4 is provided. When the dump frame 2 is released to the side of the body frame 1 by the operation of the dump frame 2,
The roll bale B, which has been wrapped and wrapped, is not damaged in the outer wrapping of the bale so that the bale can be discharged directly from the upper surface of the bale support 4 to the upper surface of a carrier such as a truck. The wrapping machine A can be connected to the tractor without disturbing the movement while loading the truck on the carrier, and at the same time, the efficiency of the loading operation on the carrier can be improved. It is intended to provide a simple means.

[0011]

According to the present invention, as a means for achieving the above-mentioned object, a bale support and a turntable, a dump frame for rotating the bale support together with the turntable, and a stretch. On the lower surface side of the main body frame on which the units are supported, a lifting device that connects the lower machine frame and the upper machine frame so that the upper machine frame moves up and down with respect to the lower machine frame by a telescopic link mechanism that expands and contracts by a hydraulic cylinder. Arrange,
The present invention proposes a roll bale wrapping machine in which the upper body frame supports the main body frame, and the lower body frame thereof is provided with a top link hitch and a lower link hitch which are connected to and mounted on a tractor.

[0012]

Next, an embodiment will be described in detail with reference to the drawings. In the drawings, the same reference numerals are used for components having the same effects as those of the conventional means.

FIG. 4 is a rear view of a roll bale wrapping machine A for carrying out the present invention, wherein 1 is a main body frame, 2 is a dump frame, 3 is a turntable, 4 is a bale support, and 5 is a bale support. A stretch unit, 6 is a tie-and-cut, and a is an elevating device provided on the lower surface side of the main body frame 1.

The main body frame 1 is constituted by connecting a plurality of frame rods to form an underframe along a plane, and a dump frame 2 is mounted on an upper surface thereof.
As for mounting the same, it is no different from that of the conventional means.

However, the main body frame 1 has its legs 10... Provided on the peripheral edge thereof removed, so that the main body frame 1 can be installed on the ground.
This is performed by the bottom surface of the lower machine casing 7a of the lifting device a provided on the lower surface side of the main body frame 1.

The main frame 1 has a top link hitch 11 and a lower link hitch 12 for connecting and attaching the lapping machine A to the rear side of the tractor through a three-point link hitch. There is a form. The top link hitch 11 and the left and right lower link hitches 12, 12 are, as shown in FIGS. 5 and 6, the front end of the lower machine casing 7a of the lifting device a provided on the lower surface side of the main body frame 1. It is installed in.

The dump frame 2 mounted on the upper surface side of the main body frame 1 has the same configuration as that of the conventional means.
A hydraulic cylinder 20 is mounted around a fulcrum shaft 21 so as to be freely rotatable around the body frame 1 toward the side of the body frame 1, and the dump rotation is bridged between the body frame 1 and the dump frame 2.
The operation is performed by hydraulic pressure guided from the hydraulic device on the tractor side, which is the same as that of the conventional means.

The turntable 3 supported on the upper surface of the dump frame 2 is similar to that of the conventional means. Vertical rotating shaft 30 supported on the upper surface of the dump frame 2
Is the PT of the tractor to which the wrapping machine A is connected and mounted.
When driven by rotational power guided from the O-axis via a universal joint shaft, the rotary shaft 30 rotates around the axis of the rotary shaft 30.

The bail support 4 mounted on the upper surface of the turntable 3 is the same as the conventional means, and is provided on the upper surface side of the turntable 3 with a rotating shaft 40 having a horizontal axis.
A plurality of endless belts 42 are wound around the rollers 41, 41, which are rotated by a pair of rollers 41, 41, in such a manner as to face each other in parallel. The one roller 41 is driven by the rotational power guided from the PTO shaft of the tractor via the transmission mechanism 43, so that the roll bale B placed on the platform formed by the upper surfaces of the endless belts 42 arranged in parallel is moved. , At a predetermined rotational speed.

The stretch unit 5 includes the main body frame 1
This is a conventional structure in which a bundle f of a plastic film F is pivotally supported on the upper end of a column 50 which is connected and supported.

The tie-and-cut 6 is attached to the above-mentioned dump frame 2 which is provided on the main body frame 1 so as to rotate.
When the roll bale B, which is integrally connected and supported and has been wrapped, is discharged by the dump rotation of the dump frame 2, the roll bale is rotated together with the dump frame 2 and fed to the roll bale B to be discharged. This is a normal one that cuts the feeding end of the plastic film F and holds the feeding end.

The lifting / lowering device a is formed in a substantially rectangular frame shape, and is integrally formed on the lower surface of the above-mentioned main body frame 1 with an upper machine frame 7b. A lower machine frame 7a serving as an underframe for supporting the lapping machine A by being mounted on a place, and a telescopic unit provided between the upper machine frame 7b and the lower machine frame 7a so as to raise and lower the upper machine frame 7b together with the main body frame 1. Link mechanism 7c and hydraulic cylinder 7
4

The telescopic link mechanism 7c has a link 70, one end of which is pivotally connected to the lower machine casing 7a and the other end of which is slidably fitted to the upper machine casing 7b, and one end of which is connected to the upper machine casing 7b. A link 71, which is pivotally connected and the other end of which is slidably fitted to the lower machine casing 7a, is superposed in an X shape, and the superposed point is pivotally connected by a coupling shaft 72 to be assembled in a pantograph shape. I have. The hydraulic cylinder 74 is bridged between one link 70 of the telescopic link mechanism 7c and the lower machine casing 7a. And the telescopic link mechanism 7c
As shown in FIG. 5, a pair is provided between the lower machine casing 7a and the upper machine casing 7b so as to face each other in a pair. The hydraulic pressure of the hydraulic device on the tractor side is used for the hydraulic cylinder 74 of the elevating device a, similarly to the hydraulic cylinder 20 of the dump frame 2 described above.

[0024]

The embodiment of the present invention operates as follows. When the lapping machine A is moved by the tractor attached to the connecting shaft, the elevating device a is moved as shown in FIG.
The telescopic link mechanism 7c is in a folded state.

In the lapping machine A, the top link hitch 11 and the lower link hitches 12 for connecting and attaching to the three-point link hitch of the tractor are attached to the lower machine frame 7a of the lifting device a. As described above, the movement in the state where the telescopic link mechanism 7c is folded is performed while being stably held in that state. Further, when the lapping machine A has been moved to a desired place and is set at that place, the lifting device a
By lowering the lower machine frame 7a to ground, the lapping machine A can be installed stably, and the lapping work can be stably performed.

When the wrapping operation of the roll bale B placed on the bale support 4 of the wrapping machine A is completed and the roll bale B is discharged to the side by the operation of the dump frame 2, the lifting device a To raise the upper machine frame 7b together with the main body frame 1 supported on the upper surface, and the bail support 4 of the lapping machine A
As described above, the roll bale that has been wrapped has been set in a state in which it is positioned higher than the upper surface of the loading platform t of the truck T that is on standby next to the lapping machine A and the dump frame 2 is dumped in this state. B can be discharged directly onto the upper surface of the carrier t of the truck T with almost no shock.

[0027]

As described above, the roll bale wrapping machine A according to the present invention comprises a bale support 4 and a turntable 3 and a dump frame 2 for rotating the bale support 4 with the turntable 3 and a stretch. On the lower surface side of the main body frame 1 on which the units 5 and the like are supported, a telescopic link mechanism 7c that expands and contracts a lower machine frame 7a and an upper machine frame 7b by a hydraulic cylinder 74.
The upper machine frame 7b is provided with an elevating device a connected to the lower machine frame 7a so as to move up and down, and the main machine frame 1 is supported on the upper machine frame 7b.
In addition, since the top link hitch 11 and the lower link hitches 12 are mounted on the tractor, the roll bale B, which has been wrapped and wrapped, can be transferred to the main body frame 1 by the operation of the dump frame 2. When the roll bale B is wrapped and wrapped, it can be discharged directly from the upper surface of the bale support 4 to the upper surface of the carrier of a truck such as a truck. While allowing the wrapping to be loaded on the carrier of the carrier without causing damage to the wrapping, the wrapping machine A is connected to the tractor and attached to the tractor, and does not hinder the movement.
This improves the efficiency of loading work on a carrier bed.

[Brief description of the drawings]

FIG. 1 is a perspective view of a conventional lapping machine.

FIG. 2 is a rear view of the same.

FIG. 3 is a rear view showing a state in which the wrapped roll bale is discharged.

FIG. 4 is a rear view of the wrapping machine for implementing the present invention.

FIG. 5 is a perspective view of the same.

FIG. 6 is an explanatory diagram of the same operation.

[Explanation of symbols]

A: wrapping machine, a: elevating device, B: roll bale, F: plastic film, f: winding, T: truck, t: loading bed, 1: body frame, 10: support leg, 11 ...
Top link hitch, 12: lower link hitch, 2: dump frame, 20: hydraulic cylinder, 21: fulcrum shaft, 3
... turntable, 30 ... rotary axis, 4 ... bale support,
Reference numeral 40: rotating shaft, 41: roller, 42: endless belt, 42: transmission mechanism, 5: stretch unit, 50:
Prop, 6: Tie and cut, 7a: Lower machine frame, 7b ...
Upper machine frame, 7c ... telescopic link mechanism, 70 ... link, 71
... Link, 72 ... Connection shaft, 74 ... Hydraulic cylinder.

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yoshitaka Funaki 1385, Tsuyajo, Ureshino-cho, Ishishi-gun, Mie (72) Inventor Tsuneyoshi Nagasaki 27-7, Tamura, Ureshino-cho, Isshi-gun, Mie (72) Inventor Isamu Koide Mie 1831 Kurono, Ureshino-cho, Isshi-gun (56) References JP-A-60-176517 (JP, A) JP-A-4-23605 (JP, U) JP-A-3-65435 (JP, U) JP-A-3-72595 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) A01F 15/00-15/18 A01D 90/00-90/16 B65B 27/12

Claims (1)

(57) [Scope of request for utility model registration] 1. A bale support 4 and a turntable 3.
A lower machine frame 7a and an upper machine frame 7b are provided on the lower surface side of the body frame 1 on which the bale support 4 is dump-rotated together with the turntable 3 and the stretch unit 5 and the hydraulic cylinder 74. The upper machine casing 7 is extended by an extendable link mechanism 7c which is extended and retracted by the
b is connected to the lower machine frame 7a so as to move up and down.
A roll bale wrapping machine in which a top link hitch 11 and a lower link hitch 12 are mounted on a lower machine casing 7a of the lower tractor.