JPH04258224A - Apparatus for driving reciprocating cutter of cutting machine for packed pasture - Google Patents

Abstract

PURPOSE:To simplify the structure of a driving apparatus of a reciprocating cutter for packed pasture in a state matching with the pasture-cutting work. CONSTITUTION:A mounting table 10 of a reciprocating cutter is provided with a forwarding claw 16 and a retreating claw 17 attached via a gate-type bracket 18. The space between the claws 16, 17 contains a chain 13 extending between a pair of sprockets 14 and constantly rotating in one direction. The chain 13 is provided with a pin 15 engaging with the claws 16, 17. When the pin 15 is positioned to the tension side of the chain 13, it is engaged with the forwarding claw 16 to forward the mounting table 10 and, when the pin is released from the sprocket 14 and positioned to the return side, it is engaged with the retreating claw 17 to retreat the mounting table 10. The reciprocating motion of the mounting table 10 is carried out by the chain 13 constantly rotating in one direction and, accordingly, the structure can be extremely simplified to be convenient for the pasture-cutting machine.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive device for a reciprocating cutter in a packing grass cutting machine.

0002

[Prior art and its problems] Generally, when feeding roughage such as hay, straw, and fresh grass to cattle, horses, sheep, etc., it is necessary to cut it into appropriate lengths to make it easier to ingest and to avoid waste due to leftovers. It is cut and given. In the case of straw, the best length to cut is 2.5 to 3.5 cm for cattle, and 1.5 to 2.5 cm for horses and sheep; hay can be cut longer than this. It is considered good. It is said that even if these roughages are cut into smaller pieces, the digestibility will not be improved and it will be unnecessarily time-consuming. On the other hand, hay has been used for a long time as a storage method for pasture grass, but as introduced in Japanese Patent Publication No. 46-9216, there is a shortage of this hay in Japan, and especially recently, the availability of rice straw has gradually increased. As a result, huge amounts of bagged hay and compressed hay are currently being imported. This baled hay is, for example,
Dungrass (grass family grass) and alfalfa (leguminous grass grass) are compressed into cubes and packed into cubes each weighing approximately 30 kg using a pasture machine such as Hebera or Hepress. ing. This packaged pasture is also cut into the aforementioned lengths when fed to livestock. Therefore, in conventional baled hay, the baling strings have to be untied and then cut using a normal feed cutting machine (for example, a fly-hole blow-up cutter or a spiral-blade cutter), which is time-consuming and time-consuming. At the same time, there is a problem that compressed hay is scattered when unpacked, and there is a growing demand for a baled hay cutting machine. Therefore, in an attempt to meet this demand, through trial and error, it was considered that a cutting machine for cutting stacked paper sheets as shown in Utility Model Publication No. 51-13748 could be used for this purpose; A pair of upper and lower belt conveyors for supplying leaves compresses stacked paper leaves, resulting in endless strip cutters arranged in multiple strips.
This method could not be adopted because the structure was extremely complicated and expensive, and it included unnecessary mechanisms that did not make any use of the compressed packaging state.

0003

[Means for Solving the Problems] Therefore, the present invention was created in order to meet the conventional demands, and its gist is to cut the packed grass into slices sequentially from one end. With a reciprocating cutter that
The mounting base of the cutter is provided with a forward pawl and a backward pawl attached via a bracket, and in the space where these pawls face each other, the blade is hung around a pair of sprockets and always moves in one direction. A rotating endless chain is interposed, and the chain is provided with one protrusion that engages with these pawls, so that when the chain advances on the tension side, the forward pawl is engaged, and the chain is moved forward. A reciprocating cutter in a packing grass cutting machine characterized by engaging a backward claw when moving backward on the return side.
in the drive unit.

0004

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure and operation of the present invention will be described in detail with reference to embodiments shown in the accompanying drawings. Figure 1 is a perspective view of essential parts of an embodiment of the present invention, Figure 2 is an external view of this embodiment, (A) is a plan view, (B) is a front view, (C) is a side view, and Figure 3 is a cutter. 4 is a plan view of FIG. 3, FIG. 5 is a sectional view of a main part, and FIG. 6 is a diagram showing the operating state of the cutter. This embodiment is suitable for a cutting machine that cuts compressed baled hay of Sudan grass imported from the United States into a predetermined length as it is, and first, the cutting condition of this baled hay cutting machine will be described. In FIG. 6, when the packaged grass 3 is put into the input port 2 opened in the center of the table 1 as shown in (A), the loading table 4 is placed below the input port 2. It is placed on the mounting table 4. Next, when the cutting machine is turned on, a motor (none of which is shown) is driven, and as shown in (B), a single reciprocating cutter 5 moves forward (the cutter 5 cuts the packed grass 3). This refers to the direction in which the grass moves for cutting.The same applies hereinafter), and the lower part of the packed grass 3 is cut into slices. This cutter 5 and mounting table 4
Since the mounting table 4 is connected to the table 1 by a connecting rod 6, the mounting table 4 goes along with the cutter 5, and when the cutter 5 starts cutting the packed grass 3, it gradually hides from the input port 2 to one end of the table 1. To go. Then, the hay 7 cut into slices is placed on a mounting table 4.
It falls down from the gap between the cutter 5 and the cutter 5. Next, when the cutter 5 finishes moving forward as shown in (C),
The packed grass 3 is placed on the upper surface of the cutter 5. Thereafter, when the cutter 5 is moved backward, the packed pasture 3 is transferred from the upper surface of the cutter 5 to the mounting table 4 as shown in (D), returning to the initial state. In this way, the cutter 5 is reciprocated to cut the packed grass 3 into slices one after another, thereby obtaining pieces of hay 7 of a predetermined length. Next, to describe the details of the table 1, as shown in FIG.
An input port 2 with a depth of approximately 15 cm is opened, and there is a space on one side of the input port 2 into which the cutter 5 enters and exits.
In addition, there is a space on the other side where the mounting table 4 can go in and out.
Bull 1 is configured in a rectangular shape. A cutter driving motor (not shown) is built in the space on the mounting table 4 side. This table 1 has four legs 8, 8, . . . so that cut and fallen pieces of hay 7 can be deposited under the table. A guide 9 facing the inner wall of the table 1 is provided as shown in FIG. 5, which will be described later, to guide the reciprocation of the cutter 5 and the mounting table 4. Next, the arrangement of the cutter 5 and the mounting table 4 will be described.
As shown in FIG. 1, a cutter mount 10 is placed above and a mounting table 4 is placed below in a parallel and staggered manner when viewed from the side, and these are connected by a connecting rod 6 and integrated. There is. This difference in level becomes the cutting length of the hay 7. A shearing blade 11 is detachably attached to the center of the tip of the cutter mount 10 on the forward side. Cut into slices while pressing. Next, we will discuss the drive device for the cutter 5 (the drive device for the mounting table 4 is also shared), especially in FIGS. 3 and 4.
In the table 1, a pair of shafts 12, 12 are disposed at positions in the front and back direction, orthogonal to the back and forth movement of the cutter 5.
is suspended horizontally. These shafts 12 have two rows 1
A set of chains 13, 13 connects to sprockets 14, 14...
・A pair of wires are connected to the left and right. A set of roller pins 15 connecting these sets of chains 13 to each other.
The roller pin 15 engages with a forward pawl 16 and a backward pawl 17 provided on the cutter mount 10. This roller pin 15 is made up of four roller pins and is sturdy. Also, this forward claw 1
A pair of parts 6 are erected directly on the upper surface of the cutter mount 10 on the forward side, and are engaged with each other as the chain 13 moves forward on the tension side. Further, the backward claw 17 is erected on the cutter mount 10 and is connected to a pair of gate-shaped brackets 18,
18 respectively, and the return of chain 13.
It is designed to engage as the engine moves backward. Therefore, the cutter mount 10 can be moved forward strongly by the driving force of the chain 13, and when the roller pin 15 starts rotating along the forward sprocket 14, the roller pin 15 comes off the forward pawl 16. The cutter mount 10 stops advancing. At this time, the blade 11 has finished cutting the hay 7. Next, the roller pin 15 is attached to the return of the chain 13.
When the cutter mount 10 moves backward, it engages with the backward claw 17, so the cutter mount 10 moves backward. When the roller pin 15 begins to rotate along the backward sprocket 14, the backward claw 17 comes off the roller pin 15, and the cutter mount 10 stops moving backward. Next, the roller pin 15 rotates in the forward direction again and engages with the forward claw 16. In other words, it is in the initial state. Note that since the mounting table 4 is integrated with the cutter mount 10, it reciprocates in synchronization with the cutter mount 10. As shown in FIG. 5, a driving sprocket 19 is attached to the forward-moving shaft 12 and constantly rotates under the power of the motor. Start and stop are controlled by a switch. Therefore, no electrical control devices such as a reciprocating switch or a forward/reverse motor are involved. Further, a take-up spring (not shown) is attached to the shaft 12 on the reverse side to constantly apply tension to the chain 13. Next, referring to the guide 9 that guides the reciprocating movement of the cutter mount 10 and the mounting table 4, in FIG. 21 is established,
The left and right ends of the cutter mount 10 are sandwiched and supported from above and below. This guide 21 has a pair of upper and lower nylon bars 21.
a, 21a are attached to guide the cutter mounting base 10 on both sides. This is because when the blade 11 cuts the packaged grass 3, it prevents it from bulging in the vertical direction and cuts it into parallel slices. Further, a guide 22 of the mounting table 4 is provided below this guide 21, and supports the lower surface of the left and right ends of the mounting table 4. A nylon bar 21a is attached to this guide 22 to guide the mounting table 4. Although not shown, a rubber abutment plate is attached to the forward-facing inner surface of the input port 2 to protect the blade 11 from contact with it.

[0005] Next, an outline of the operation of this embodiment will be described.
With the loading table 4 under the input port 2, load the packed grass 3.
manually and turn on the motor. Therefore, the chain 13 begins to rotate, and the blade 11, which has been hidden from the input port 2, moves forward and cuts the lower part of the packed grass 3 into slices. When one cutting is completed, the blade 11 moves backward together with the mounting table 4 to return to its initial state, and moves forward again to cut the packed grass 3. In the meantime, check
The ring 13 continues to rotate, and when cutting is completed, the motor is switched off. In addition, in this embodiment, the packed grass is put into the input slot and allowed to fall gradually in the vertical direction under its own weight, but the present invention is not limited to this, and the packed grass is slid in an inclined direction and sliced. It may also be cut.

[0006]

[Effects of the Invention] According to the present invention, the packed grass is cut into slices to produce separate pieces of hay of a predetermined length, so there is no need for unpacking, etc. Since the cutter is reciprocated by a chain that is hung around a sprocket and constantly rotates, there is no need for a special control device for reciprocating motion, making it sturdy and simple.
It can be made into a suitable drive device for an inexpensive grass cutting cutter. In particular, when the chain moves forward on the tension side, the cutter moves forward to powerfully cut the baled grass, and when the chain moves backward on the return side, the cutter moves backward, making it a reasonable chain drive system. It can be done. Of course, even if a small portion of the hay is mixed with cut baling strings, it will still function effectively as a fibrous feed.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of essential parts of an embodiment of the present invention.

[Fig. 2] External views of this embodiment, (A) is a plan view, (B)
) is a front view, and (C) is a side view.

FIG. 3 is a front view of the cutter drive device.

FIG. 4 is a plan view of FIG. 3;

FIG. 5 is a sectional view of main parts.

FIG. 6 is a diagram showing the operating state of the cutter.

[Explanation of symbols]

3 Packed pasture 4 Mounting table 10 Cutter mounting base 11 Blade 13 Chain 14 Sprocket 15 Rolla pin 16 Forward claw 17 Reverse claw 18 Bracket

Claims (1)

[Claims] Claim 1: A reciprocating cutter that sequentially cuts packed grass into slices starting from one end, the cutter having a forward claw and a reverse claw attached to a mounting base of the cutter via a bracket. In the space where these pawls face each other, an endless chain that is hung around a pair of sprockets and always rotates in one direction is interposed, and the chain is engaged with these pawls. providing one protrusion that engages the advancing pawl when the chain moves forward on the tension side;
A driving device for a reciprocating cutter in a packing pasture cutting machine, characterized in that a backward claw is engaged when the chain moves backward on the return side.