JPH0221197Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention forms hay, etc. supplied to a molding chamber into cylindrical briquettes, and then horizontally transports the briquettes fed in the longitudinal direction by the feeding action of compression rolls. This relates to a cutting device in a roll forming machine for grass, etc., which automatically cuts grass while being held in a posture and releases it downward.

Conventional technology Conventionally, in a roll forming machine that forms collected grass into cylindrical briquettes using compression rolls and sends them out to the side of the machine, when the briquettes are sent out a predetermined length, There is a known device in which a cutting device installed on the machine body is operated to cut the briquettes and cause them to fall downward.

Problems to be Solved by the Present Invention However, in the case where the briquette is cut by a cutting device installed on the machine body after being fed out for a predetermined length, in the process of feeding the briquette to the side, the briquette is cut from the feeding base end. As a result, when cutting, the tip of the briquette tilts downward due to its own weight, and as the briquette rotates, it is thrown around, making it difficult to cut smoothly.

The present invention was devised in order to solve these problems in view of the above-mentioned actual situation, and in the process of sending the cylindrical briquette to the side of the machine, a cutting device installed on the machine body is used to cut the briquette into a predetermined shape. Even when cutting briquettes to length, the briquettes do not tilt due to their own weight, and can be smoothly cut and discharged downward while being held in a horizontal position. It is intended to provide.

Means for Solving the Problems In order to achieve the above object, the technical means taken by the present invention are to form grass etc. fed into a forming chamber consisting of a plurality of compression rolls into cylindrical briquettes,
In a roll forming machine for grass, etc., in which the briquettes sent out to the side of the machine body by the feeding action of the compression roll are cut into a predetermined length by a cutting device installed on the machine side, the briquettes sent out to the side of the machine body are cut into a predetermined length. A supporting guide tube is provided, and the lower side of the guide tube is formed to be openable and closable, and the guide tube is linked to a cutting device to cut the briquettes supported by the guide tube by opening the lower side of the guide tube. It is characterized in that it is configured to emit.

Effects of the invention Next, the effects of the invention configured as described above will be explained. If grass, etc. collected in the field is supplied to the molding chamber, it can be molded into cylindrical briquettes by the plurality of compression rolls that form the molding chamber.
The briquettes sent out to the sides of the machine by the sending action of the compression rolls are supported by the guide cylinder. Then, when the briquette is fed out a predetermined length, the cutting device installed on the machine operates and the briquette is cut while being supported by the guide tube, so the briquette does not tilt due to its own weight and is cut smoothly. can do. The cut briquettes are dropped and discharged from a guide tube whose lower side is open in conjunction with the cutting device.

Embodiment The configuration of the present invention will be described with reference to an embodiment shown in the drawings. 1 is a tractor, 2 is a roll forming machine connected to the tractor 1 via a coupling device 3, and the roll forming machine 2 is A pick-up device 4 for raking and collecting grass and the like from the field is provided at the front of the machine. A roll forming device 7 having a forming chamber 6 formed by a plurality of compression rolls 5, 5, . It is supplied to the molding chamber 6 by a car 8 and a rear packer 9, and is compressed by compression rolls 5, 5, . . . to form a cylindrical briquette.

One end of the compression roll 5 on the side opposite to the tractor 1 is pivotally supported by a gear case 10, and a drive gear 1 of a drive shaft 11 connected to a drive section is attached to the protruding end of the compression roll 5.
A gear 13 that meshes with 2 is fixed. Also,
The other end side of the compression roll 5 has its outer peripheral surface covered with rollers 14 and 1.
The grass is compressed in the molding chamber 6, and the frictional force that acts on the compression roll 5 is When the value exceeds a predetermined value, the bearing disk 16 rotates against the bias of the spring 15, the compression rolls 5, 5... are twisted, and the briquette a is transferred to the bearing disk 16 by the feeding action. It is sent out toward the side of the fuselage through the open bearing plate guide hole 17. Reference numeral 18 denotes a guide tube that supports the sent-out briquette a, and the guide tube 18 is formed by a fixed guide tube 18a forming an upper half and a movable guide tube 18b forming a lower half. There is.

Reference numeral 19 denotes a sensor provided at the tip of the guide tube 18. When the briquette a fed into the guide tube 18 pushes the sensor 19, the sensor 19 rotated around the support shaft 20 is moved through the rod 21. The cutting timing clutch 22 is operated and the cutter 23 moving upward cuts the briquette a to the length of the guide tube 18. That is, the cutting device includes a swinging arm 25 that is biased downward by a spring 24.
A cutter 23 is attached to the tip of the rod 28, and a wire 27 connecting the swinging arm 25 and the swinging shaft 26 of the rear police car 9 is attached to a rod 28 that can be slid left and right.
When the disconnect timing clutch 22 is actuated, the rod 28
is fixed, and the swinging arm 25 moves upward in conjunction with the rear police car 9 against the bias of the spring 24.
The cutter 23 cuts the briquette a.

The swing arm 25 has a fixed guide cylinder 18a.
A rod 33 connected via a fulcrum 32 is attached to a link plate 31 of a movable guide cylinder 18b which is rotatably supported on an opening/closing fulcrum shaft 30 of the movable guide tube 18b.
When the swinging arm 25 moves upward to cut the briquette a, the rod 33 pushes the link plate 31 and the movable guide tube 18a opens. The fulcrum 32 is connected through a long hole 34 provided in the rod 33, and while the rod 33 moves up and down along the long hole 34, the movable guide tube 18b does not open or close.

The base end side of the fixed guide cylinder 18a is provided with the bearing plate guide hole 1.
It extends to the vicinity of point 7, and has a rump-like bent part 3 at the end.
5, and the bearing plate guide hole 17 is made larger than the inscribed circle of the molding chamber 6, and the inner diameter of the guide tube 18 is made larger than the bearing plate guide hole 17, so that the briquette a can easily move into the guide tube 18. It is beginning to be sent out within. Further, as shown in FIG. 8, the guide tube 18 has bent portions 36 and 37 formed at the edges of the fixed guide tube 18a and the movable guide tube 18b.

In the above configuration, when the roll forming machine 2 is connected to the tractor 1 and driven through a field where grass etc. are scattered, the grass collected by the pick-up device 4 is transferred to the forming chamber by the front packer 8 and the rear packer 9. 6, and is formed into a cylindrical briquette a by the compression action of compression rolls 5, 5, . . . The formed briquette a is pushed out from the bearing plate guide hole 17 into the folded part 3 by the feeding action of the compression rolls 5, 5, which are twisted by frictional force.
5, it can be easily fed into the guide tube 18, which has a larger diameter than the bearing plate guide hole 17.
When the fed briquette a reaches the end of the guide cylinder 18 and comes into contact with the sensor 19, the sensor 19 rotates around the support shaft 20 and operates the cutting timing clutch 22 via the rod 21, so that the roller 29 is fixed, and the wire 27 connected to the rear packer 9 is connected to the swing arm 2.
5 is moved upward against the spring 24, and the cutter 23 attached to the swinging arm 25 cuts the briquette a.
cut.

When the swinging arm 25 moves upward, the rod 33 attached to the swinging arm 25 first moves into the elongated hole 34.
After the rod 33 pushes the link plate 31 to open the movable guide cylinder 18b and releases the cut briquettes downward, the briquettes are not under their own weight during cutting as in the conventional method. It won't tilt or tilt. sensor 19
When the briquette that was in contact with the briquette is released, the sensor 19 is returned by the bullet 38, and the cutting timing clutch 22 is released via the rod 21, so the swing arm 25 moves downward by its own weight. The spring that biases the link plate 31 in the closing direction of the movable guide cylinder 18b is set to such a strength that it cannot be closed by itself, so the rod 33 first moves down along the elongated hole 34 and then closes the link plate. 33
Since the movable guide tube 18b can be closed after the cutter 23 has descended reliably, the briquettes are not completely released and the movable guide tube 1
It is sandwiched between the briquettes 8b and does not interfere with the next briquette to be sent out. Also, fixed guide tube 1
8a and the end edge of the movable guide tube 18b are bent portions 36,
37, the briquette a will not get caught on the inner surface of the guide tube 18 when it is sent out while rotating.

Effects of the invention In short, the present invention molds grass etc. fed into a forming chamber consisting of a plurality of compression rolls into cylindrical briquettes, and a briquette is provided on the machine body side that is sent out to the side of the machine body by the feeding action of the compression rolls. A roll forming machine for cutting pasture grass, etc. into a predetermined length using a cutting device, which is equipped with a guide tube that supports the briquettes sent out to the side of the machine, and the lower side of the guide tube is formed so that it can be opened and closed. At the same time, the guide tube is interlocked with the cutting device, and the cut briquettes supported by the guide tube are released by opening the lower side of the guide tube. The briquettes fed out are supported by a guide tube and cut into a predetermined length, so the briquettes are not tilted due to their own weight and swung around during cutting, unlike in the conventional cutting process, and the briquettes can be cut smoothly. can be cut,
Moreover, the cut briquettes can be automatically released by opening the lower side of the guide tube in conjunction with the cutting device, which has an extremely useful practical effect of efficiently forming grass etc. into briquettes. It is something to play.

[Brief explanation of the drawing]

The drawings show an embodiment of the cutting device in the roll forming machine for grass, etc. according to the present invention,
The figure is a side view showing the working state, Fig. 2 is a plan view of the same as above, Fig. 3 is an overall plan view, Fig. 4 is a side view of the main part, and Fig. 5 is a side view of the main part showing the cutting work state. , FIG. 6 is a plan view of the main part, FIGS. 7A and 7B are rear views of the main part showing the operation, and FIG. 8 is a sectional view of the main part. In the figure, 2...roll forming machine, 5...compression roll, 6...molding chamber, 18...guide cylinder, 23...cutter.

Claims (1)

[Scope of utility model registration request] The grass etc. supplied to a forming chamber consisting of a plurality of compression rolls is formed into cylindrical briquettes, and the briquettes are sent out to the side of the machine by the feeding action of the compression rolls, and cut into a predetermined length by a cutting device installed on the machine body. In a roll forming machine for cutting grass, etc., a guide tube is provided to support the briquettes sent out to the side of the machine body, and the lower side of the guide tube is formed to be openable and closable, and the guide tube is connected to the cutting device. A cutting device for a roll forming machine for grass, etc., characterized in that the briquettes cut while supported by a guide tube are released by opening the lower side of the guide tube in conjunction with each other.