JPH0513154Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention collects collected materials such as cut down grass and threshed straw that has been released onto the ground while driving, and compresses and packs them into rolled bales. Regarding roll balers.

(Prior art) A roll baler is equipped with a raking device that picks up the collected material on the ground at the lower front of the bale forming chamber that compresses the collected material into a roll shape, and transports the collected material picked up by the raking device into the bale forming chamber. In this configuration, the conveying device is provided between the scraping device and the bale forming chamber.

The conveyance device is, for example,
As described in Japanese Patent Publication No. 39643 and Japanese Patent Application Laid-Open No. 61-271923, this system has a structure in which rod-shaped conveyors made of pipes are horizontally supported at predetermined intervals between endless chains arranged on the left and right sides. A part of the rod-shaped conveyance device is configured with a rod-shaped conveyance device provided with an engaging protrusion that projects upward, so that the collected items do not stagnate during conveyance.

(Problem to be solved by the invention) The rod-shaped conveyance device provided with the above-mentioned engaging protrusions is constructed by integrally welding a band-shaped steel plate or a steel shaped steel having a U-shaped cross section with irregularities. Because of this, it is difficult to manufacture and has low strength, and if you make the board thicker to make it stronger, it will be heavier. In addition, collected materials such as grass and straw tend to get entangled with the steel strip and the U-shaped steel.

(Means for solving problems) Therefore, the present invention is constructed as follows.

That is, a conveying device 2 for conveying the collected material from a scraping device 1 provided at the lower front to a bale forming chamber 10 provided at the upper rear, and an endless chain 3 disposed at the left and right sides as a rod-shaped conveying device. 4 and 5 are horizontally supported at a predetermined interval, the rod-shaped conveying tool 5 is formed by bending one end edge of a strip-shaped iron plate into a cylindrical portion 6, and forming unevenness. The other end edge 7 side is made to stand up from the cylindrical portion 6.

(Operations and Effects of the Invention) In the present invention, the rod-shaped conveying tool 5 provided with the above-mentioned engaging protrusion is formed by bending one end edge of a band-shaped iron plate into a curl shape to form a cylindrical portion 6, and forming unevenness. Since the edge 7 side is configured to stand up from the cylindrical portion 6, it can be easily manufactured by bending a strip-shaped iron plate with an uneven edge cut into a curled shape by press working, and it is relatively thin. Even if it is made of iron plate, the cylindrical part 6 is strong against bending, and the entire conveying device 2 can be made light. The collected objects are difficult to get entangled in the cylindrical part 6, and the conveying device 2 can remove the collected objects from the scraping device 1. Bale forming room 10
This means that it can be transported easily and effectively.

(Example) Next, an example of the present invention will be described with reference to the drawings.

A scraping device 1 is provided in front of a traveling machine base 13 equipped with a traveling machine 12 consisting of a crawler 11, and a bale forming chamber is provided inside a fixed machine frame 14 and a movable machine frame 15 mounted on the traveling machine base 13. 10 is formed, and a conveying device 2 is provided between the bale forming chamber 10 and the raking device 1.
has been established. Also, the fixed machine frame 1 on the traveling machine stand 13
4 and the movable machine frame 15 are provided with a movable frame 16 in which a movable motor is mounted inside.

In the raking device 1, a raking rod 18 protruding from each arrangement gap of a plurality of arc-shaped guide rings 17 arranged in the horizontal direction rotates from below to the front and upward to remove grass, straw, etc. scattered on the ground. A scatter prevention plate 2 is installed horizontally on side frames 19 erected on both left and right outer sides of the arcuate guide ring 17.
0, and the front side is covered with a front cover plate 21 made of a rubber plate suspended from the scattering prevention plate 20. Supporting the racking rod 18, the entire body can be moved up and down between a collection action position where it rotates close to the ground and an upper retracted position. The scraping device 1 can be moved up and down by a lift lever 23 provided on the drive frame 16.

The conveying device 2 transports the collected materials picked up from the ground by the front scraping device 1 into the rear bale forming chamber 10, and is wound between sprockets 24 and 25 attached to the front and rear rotating shafts on the left and right sides. In this structure, a pipe-shaped conveyor 4 and a protrusion-equipped conveyor 5 are horizontally suspended alternately close to each other between the left and right endless chains 3, 3.

The conveyor 4 is attached to the endless chains 3 by crushing both ends of a pipe of a certain length.

As shown in FIGS. 1 and 2, the projection-equipped conveyor 5 has one end side of a belt-shaped iron plate of a predetermined length bent in a curl shape to form a cylindrical portion 6, and the other end edge 7 formed with unevenness. Mounting metal fittings 26 are welded to both ends of the main body part 8, which has its sides raised up from the cylindrical part 6.
It is installed in 7.

In the illustrated embodiment, the pipe-shaped carrier 4 and the protrusion-equipped carrier 5 are arranged alternately, but the entire pipe-shaped carrier 4 and the protrusion-equipped carrier 5 may be used, or the pipe-shaped carrier 4 may be replaced with two protrusions.
For example, one carrying device 5 with protrusions may be arranged for each book, so that an appropriate scraping effect is exerted depending on the degree of inclination of the carrying surface.

Above this conveying device 2, an intermediate pressing spring 29 and a rear pressing spring 30 made of wire are attached to a support shaft 28 horizontally suspended on the left and right sides of the fixing machine frame 14 at a predetermined interval in the lateral direction. 2 with a slight gap between them.

Further, on the front side of these pressing springs 29 and 30, a front pressing spring 31 is attached inside the scattering prevention plate 20 with its free end aligned with the conveying device 2.

These pressing springs 29, 30, 31 have wire diameters that gradually increase from the front part to the rear part, and the raking device 1
The collected items picked up are sequentially and strongly pressed against the conveying device 2 so as to be reliably fed into the bale forming chamber 10.

The stationary machine frame 14 is fixed on the traveling machine base 13, the rear movable machine frame 15 is pivoted by the upper pivot shaft 32, and the movable machine frame 1 is moved by lifting the handle 33.
5 rotates upward to open the bale forming chamber 10,
The bale, which has been compressed into a roll and packed with twine T-shirts, is rolled out backwards.

Inside the fixing machine frame 14 side, there is an intake port 34, two bale forming rolls 35, 35 horizontally suspended above the intake port 34, and semicircular side walls 3 fixed on the left and right sides.
6 and 36 are provided, and the bale forming chamber 10 is connected to the rear half of the conveying device 2 and the upper end of the bundling device 37, which will be described later.
It makes up the first half of the.

Inside the movable machine frame 15, endless chains 41, 41 are wound at regular intervals around sprockets 39, 40 attached to the left and right sides of the upper pivot shaft 32 and the lower rotating shaft 38, respectively. A pipe-shaped conveyor 42 is hung horizontally, and the inner cavity side is curved in an arc along the outer periphery of semicircular side walls 43, 43 fixed to the left and right sides. The semicircular side walls 43 and 43 of this section constitute the rear half of the veil forming chamber 10.

The outer peripheries of the fixed machine frame 14 and the movable machine frame 15 are covered with cover plates 44 and 45, respectively, to prevent dust that has entered the bale forming chamber 10 together with the collected materials from scattering outward.

At the front of the fixation frame 14 and above the conveyor 2, there is a
A twine supply device 50 is provided, and the bale forming chamber 10
The twine T is spirally wrapped around the bale compressed into a roll shape over the entire left and right width, and then packed.

As shown in FIG. 5, this twine supply device 50 has a twine guide 46 protruding downward from a chain case 51 in the shape of an oblong rectangular parallelepiped, and a twine feeder 50 that delivers twine with delivery rolls 52 and 53 provided on the entire surface of the chain case 51. The twine guide 46 hooks the T and reciprocates left and right to change the supply position of the twine T into the bale forming chamber 10.

Inside the chain case 51 is an endless chain 3 which pivotally supports sprockets 48 and 49 at both left and right ends and has a double chain portion 54 on both sprockets 48 and 49.
A twine guide body 47 in which a substantially square-shaped engagement hole 55 is engaged is installed inside. A twine guide 46 is fixed to a portion of the twine guide body 47 that projects downward from the chain case 51.

Brackets 56, 56 are protruded and fixed approximately at the left and right center of the front surface of the chain case 51 to pivotally support the delivery rolls 52, 53. One of the delivery rolls 52 has its shaft 57 extended laterally so as to be driven to rotate, and the other delivery roll 53 has a spring 5
At 8, the twine T is pressed against one of the delivery rolls 52.
I'm trying to sandwich it in.

Further, from one end of the front surface of the chain case 51, a rotating shaft 81 that supports the sprocket 49 is projected, and a pulley 83 is fixed to the shaft end.

Twine case 59 provided at the front of the driving frame 16
The twine T pulled out from the inner twine roll 60 is wound around the pulley 83, and the two relay rolls 6
1 and 62 between the delivery rolls 52 and 53, and the tip is left hanging down a little at the start of collection.

Reference numerals 63 and 64 denote presser plates that intervene in the pulley groove from the outside to prevent the twine T wound around the pulley 83 from coming off the pulley groove.

A bracket 65 is provided at the upper right and left center of the chain case 51, and a sensor 66 and an elastic tongue piece 82 made of rubber are attached to the bracket 65. This sensor 6
Reference numeral 6 is for sensing the movement of the twine guide body 47 and sounding a buzzer, and a contact piece 68 is provided so that the twine guide body 46 reciprocating as shown in the trajectory 67 will not be detected even if it comes into contact with the body during movement. It is supported by a support shaft 69 so as to be bent when contacted from one direction, and the contact piece 68 is supported only when it returns after reciprocating.
When the sensor 66 is pushed in, the sensor 66 goes into a sensing state and sounds a buzzer.

The elastic tongue piece 82 acts as a brake to stop the twine guide body 47 at a predetermined position when it returns to its original position, and when it comes into contact with the twine guide body 47 during reciprocating movement, it is attached to one side of the rigid projecting plate 70 to reduce resistance. It is attached with bolt 71.

Reference numeral 72 denotes a twine cutting blade that cuts the twine T when the twine guide 46 reciprocates left and right and returns to its original position. This is a twine holder that guides the hanging position of the tip of the twine T so that it is caught on the twine T.

To use the twine supply device 50 configured in this way, first, the delivery roll 52 is driven to drop the tip of the twine T onto the delivery device 2 and send it into the bale forming chamber 10 together with the collected material. When wrapped around the outer periphery of the bale, the twine T is pulled out by the rotation of the bale, so the driving of the delivery roll 52 is stopped.

On the other hand, the twine guide 46 starts moving in the lateral direction by rotating the pulley 83 around which the twine T is wound, and after reciprocating from side to side while hooking the twine T, the twine guide 46 The elastic tongue piece 82 applies a brake to the twine guide body 47 to stop its movement, and packaging of the bale is completed.

A bale forming chamber 10 is located at the rear lower part of the fixed machine frame 14.
A guide plate 74 is provided to guide the bale rolling out from the carriage to the rear of the traveling device 12.

At the rear upper part of the driving frame 16, a scraping device 1, a conveying device 2, a bundling device 37, a bale forming roll 35,
a working clutch lever 75 for intermittent driving of 35;
Side clutch levers 76, 76 that change the turning direction by intermittent driving of the left and right traveling devices 12, a speed change lever 77 that changes the traveling speed, and a lift lever 23 that moves the scraping device 1 up and down between the operating position and the storage position.
etc., so that a worker located at the rear of the motive frame 16 can perform maneuvering operations.

78 is a seat, and 79 is a footrest.

To perform collection work using the roll baler configured as described above, proceed as follows.

When the traveling device 12 is run while driving the raking device 1, the conveying device 2, the bundling device 37, and the bale forming rolls 35, 35, the collected materials on the ground are picked up by the raking device 1 onto the conveying device 2, Furthermore, the collected material is sent into the bale forming chamber 10 by this conveying device 2, and the bundling device 37 and bale forming roll 35,
At 35, it is compression molded into a rolled bale.

When the bale is compressed to a predetermined pressure in the bale forming chamber 10, the traveling device 12 is stopped and the twine feeding device 50 is driven to feed the twine T into the bale forming chamber 10, and the twine T is compressed to the outer circumference of the bale. Wrap it in a spiral and pack it.

After that, hold the opening/closing lever 33 and move the movable machine frame 15.
is rotated upward to open the bale forming chamber 10, and the bale is rolled out of the machine.

To continue collection work, open/close lever 33
The movable machine frame 15 is rotated downward by pressing down to close the bale forming chamber 10, and the above-mentioned operation can be repeated.

[Brief explanation of drawings]

The figures show one embodiment of the present invention, in which Fig. 1 is an enlarged side sectional view of a part, Fig. 2 is an enlarged front sectional view of a part, Fig. 3 is a front sectional view of the whole, and Fig. 4 is an enlarged sectional view of a part. The figure is a partially cutaway plan view of the entire device, and FIG. 5 is a partially cutaway enlarged side view. 1... Scraping device, 2... Conveying device, 3... Endless chain, 4, 5... Conveying tool, 6... Cylinder part,
7...Uneven edge.

Claims (1)

[Scope of utility model registration request] An endless chain 3 is provided with a conveying device 2 on the left and right sides for conveying collected material from a scraping device 1 provided on the front lower side to a bale forming chamber 10 provided on the rear upper side.
In a roll baler conveying device constructed by horizontally supporting rod-like conveyors 4 and 5 at a predetermined interval, the rod-like conveyor 5 is bent into a cylindrical portion 6 by bending one end edge of a band-shaped iron plate into a curl shape. At the same time, the other end edge 7 side formed with the unevenness is made to stand up from the cylindrical part 6.