JPH0454758Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention provides a waste straw tying device equipped with a needle for supplying a tying string, a picker for picking up waste straw, a knot building, and a string holder. It is attached to two stays installed across the left and right side plates so that its position can be changed in the direction of the straw culm.

[Conventional technology]

This type of waste straw tying device includes the above-mentioned waste straw tying device, a tying mechanism section equipped with a needle and a bundler, a tying mechanism section equipped with a knotting bill and a string holder, and a needle drive shaft of the tying mechanism section. and a transmission device that transmits power to the knot drive shaft of the knot mechanism section, and the tie mechanism section and the knot mechanism section support the tie device so as to be slidable relative to the two stays. It is known to have a bracket attached thereto, and a screw-feeding manual operation mechanism provided between the binding device and the binding frame to move the binding device along the stay.

[Problem that the invention attempts to solve]

In the case of this conventional device, the attachment position of the binding device to the stay, that is, the binding position, can be easily changed steplessly, but since the binding position actually used is specified, such Providing a screw-feed type manual operation mechanism has the problem of complicating the structure, increasing weight, and increasing costs.

In addition, as a measure to solve such problems, a plurality of mounting brackets for the binding mechanism of the integrally connected binding device are provided on one stay at predetermined intervals in the direction of the waste straw culm, and It is conceivable to provide the other stay with a plurality of mounting brackets for the knotting mechanism part of the binding device at predetermined intervals in the direction of the waste straw culm, but in this case, compared to the conventional device, Although it is possible to simplify the structure, reduce weight, and reduce costs, when changing the mounting position of the binding device, it is necessary to remove it from both stays while holding the heavy binding device, and then remove it from both stays. There is a problem in that the device must be moved to the mounting position and fixed, and that changing the mounting position requires a great deal of effort and effort.

The present invention was developed in view of the above-mentioned circumstances, and its purpose is to simplify the structure, reduce weight,
The object of the present invention is to make it possible to easily change the mounting position of the binding device with less effort while reducing costs.

[Means for solving problems]

The characteristic configuration of the waste straw tying device for a threshing machine according to the present invention is that the waste straw tying device is composed of a tying mechanism section equipped with a needle and a tying car, and a knotting mechanism section equipped with a knotting bill and a string holder. A plurality of mounting brackets for the mechanism section are provided on one stay at predetermined intervals in the direction of the waste straw culm, and a plurality of mounting brackets for the knotting mechanism section are provided on the other stay at predetermined intervals in the direction of the waste straw culm. The needle drive shaft of the bundling mechanism section and the knot drive shaft of the knotting mechanism section are arranged at intervals and are interlocked via a transmission device provided near one of the left and right side plates. There is, and its actions and effects are as follows.

[Effect]

When changing the installation position of the waste straw tying device in the direction of the waste straw culm, remove the tying mechanism and knotting mechanism, which are separated into relatively light units, from the bracket of each stay. can be installed separately on the next bracket.

In other words, it is difficult to maintain their relative positions appropriately by simply separating them, but this problem can be solved by preparing a plurality of mounting brackets in advance.

Since the transmission device that interlocks and drives the binding mechanism section and the knotting mechanism section is installed near one side plate, simple devices such as a chain interlocking device or a belt interlocking device using the side plate as a support frame can be used. It can be configured to be compact and omit a dedicated transmission case.

[Effect of idea]

As a result, mainly by separating the waste straw binding device into small units and providing a mounting bracket for each separated unit, we were able to create a waste straw binding device without any relative positional deviation, while simplifying and compacting the interlocking mechanism. Easily change the position of
Moreover, it was made to be easy and practically convenient.
Furthermore, since it is only necessary to attach multiple mounting brackets for the binding mechanism and knotting mechanism to the stay, the structure is simpler, lighter, and lower in cost than the conventional screw feed type. I was able to do it.

〔Example〕

Hereinafter, embodiments of the present invention will be described based on the drawings.

Figure 2 shows the waste straw processing device installed on the combine harvester, which is a waste straw feeder that pinches and conveys the waste straw sent out from the threshing device A toward the tip side in the direction of the culm at the rear of the machine. The device 1 is installed, and a waste straw binding device B, which is an example of a stem culm binding device, is installed at the rear of the waste straw sending device 1.
In addition, a waste straw shredding device C is disposed in a lower portion between the waste straw sending device 1 and the waste straw binding device B.

The waste straw tying device B is equipped with three sets of waste straw collecting cars 2, a needle 3 for supplying a tying string, and a door 4 for receiving the waste straw collected in the binding space 5 by the waste straw collecting cars 2. Binding mechanism part B ₁ ,
It is separated into a knotting mechanism part _B2 having a knotting building 5, a string holder 6, and a crank-type release arm 7, and these are arranged on both the upper and lower sides of the binding space 5.

The binding drive case 8 of the binding mechanism section B ₁ includes:
As shown in FIG.
A constantly rotating packer drive shaft 11, a needle drive shaft 12, and a door shaft 13 are interlocked with each other through a shaft. Among them, the needle drive shaft 12 has a gear 14 fixed to the packer drive shaft 11.
A gear 15 that meshes with the gear 15 is loosely fitted, a passive rotating body 16 is fixed, and a one-turn clutch 17 is interposed between the loosely fitting gear 15 and the passive rotating body 16.

Further, a sensor 18 for measuring the operating rotation speed of the packer drive shaft 11 is provided, and at one end of an operation transmission member 19 rotatably fitted on the packer drive shaft 11, a clutch actuator of the one-turn clutch 17 is provided. An arm 17a is fixed to the other end of the operation transmission member 19, and a one-turn clutch is connected via the operation transmission member 19 when the measured number of operations reaches the set number of operations based on the output signal of the sensor 18. A solenoid 20 for switching the clutch activation arm 17a of No. 17 to the engaged state is connected thereto.

The needle drive shaft 12 is connected to a transmission shaft 21 which is extendable in four stages through a universal joint 22, and the knot drive shaft 24 supported by the knot drive case 23 of the knot mechanism section _B2 has four stages. Transmission shaft 2 that can be expanded and contracted
5 are connected by a universal joint 26, and the ends of both transmission shafts 21, 25 are interlocked via a transmission chain 28, which is an example of a transmission device.

The input shaft 9 is also configured to be extendable and retractable in four stages.

Left and right side plates 27a, 27 of the binding frame 27
Two pipe-shaped stays 27 attached to a
A mounting bracket 29 for fixedly connecting the binding drive case ₈ of the binding mechanism part _B1 with bolts is attached to one of the stays 27b located on the upper side among the stays 27b and 27c. In order to be able to change the mounting position in the culm direction to two positions, the discarded straw is fixed at a predetermined interval in the culm direction, and the other stay 2 located on the lower side is attached.
7c, a mounting bracket ₃₀ for fixedly connecting the knotting drive case 23 of the knotting mechanism section _B2 with bolts is attached to the above-mentioned bundling mechanism section. It is fixed at a predetermined interval in the direction of the waste straw culm so that it can be changed to the same two positions as _B1 .

The three packers 2 are connected to an end of a packer drive shaft 11 and an end of a needle drive shaft 12 that protrude outward from the binding drive case 8.

The waste straw shredding processing apparatus C is constructed as follows.

That is, the casing 3 attached to the threshing device A
A single drive rotation shaft 32 is installed inside the casing 31, and a plurality of rotary cutting blades 34 are attached to the drive rotation shaft 32 via spacers 33 for regulating the distance. A fixed receiving blade 35 is attached so as to partially overlap the rotating cutting blade 34 when viewed in the direction of the straw culm.

The front edge of the waste straw supply port 36 formed on the upper surface of the casing 31 is provided with a closed state for supplying and guiding the waste straw from the waste straw sending device 1 to the waste straw bundling processing device B, and a state where the waste straw is passed through the waste straw supply port 36. A cover 37 is provided which can swing freely between an open state in which waste straw is dropped into the waste straw shredding device C and supplied.

[Another example]

In the above-mentioned embodiment, between the needle drive shaft 12 and the transmission shaft 21 of the binding mechanism part B, and the knotting mechanism part
Universal joints 22 and 26 are interposed between the nodule drive shaft 24 and the transmission shaft 25 of _B2 , respectively, and there are also universal joints in the middle of both transmission shafts 21 and 25 on the plant base side in the direction of the waste straw culm. It may also be implemented with the intervention of In the case of this embodiment, the binding mechanism part _B1 and the knotting mechanism part
The work of changing the mounting position of B ₂ is performed on the transmission shaft 21,
This has the advantage that it can be easily carried out while remaining connected to 25.

Further, the number of mounting brackets 29, 30 provided on the stays 27b, 27c, respectively, is not limited to two as in the above embodiment, but may be set according to the number of changes in the mounting position of the waste straw binding device B. It's good.

[Brief explanation of the drawing]

The drawings show an embodiment of the waste straw binding processing device for a threshing machine according to the present invention, and FIG. 1 is an exploded sectional view of the main parts;
FIG. 2 is a partially cutaway side view of the entire straw removal process. B...Discarded straw binding device, B ₁ ...Bundling mechanism section,
B ₂ ... Knot mechanism part, 2... Patch car, 3... Needle, 5... Knot building, 6... String holder, 12
... Needle drive shaft, 27 ... Binding frame, 2
7a... Side plate, 27b, 27c... Stay, 28
...Transmission device, 29,30...Mounting bracket.

Claims (1)

[Scope of utility model registration request] A waste straw tying device B, which is equipped with a needle 3 for supplying a tying string, a packer 2 for picking up waste straw, a knot building 5, and a string holder 6, is mounted on a two-piece structure installed across the left and right side plates 27a, 27a of the tying frame 27. In the waste straw binding processing device of a threshing machine, which is attached to book stays 27b and 27c so that the position of the waste straw can be changed in the direction of the waste straw culm, the waste straw binding device B is connected to a binding mechanism equipped with a needle 3 and a bundler 2. part B ₁ and a knot mechanism part B ₂ comprising a knot building 5 and a string holder 6;
A plurality of mounting brackets 29 for the binding mechanism part _B1 are connected to one stay 27b.
are provided at predetermined intervals in the direction of the waste straw culm, and a plurality of mounting brackets 30 for the knotting mechanism section _B2 are provided on the other stay 27c at predetermined intervals in the direction of the waste straw culm, and The needle drive shaft 12 of the binding mechanism section B ₁ and the knot drive shaft 24 of the knot mechanism section B ₂ are interlocked via a transmission device 28 provided near one of the left and right side plates 27a, 27a. A device for tying waste straw from a threshing machine.