JPH033445Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention arranges a knot and a needle with a binding space in between, and when the binding is activated, the needle is driven to insert the string inserted into the string passage hole of the needle. An agricultural tying system is constructed so as to carry out a tying operation of wrapping a string around a stem culm in a tying space by bringing it into a nodule part, and also to be formed between a string passing hole of a needle and a string storage part in a non-operating state. The present invention relates to a binding device comprising a mechanism for passing a string through a cord supply path.

[Conventional technology]

Conventionally, as a string passing mechanism configured as described above, there is one shown in Japanese Patent Application Laid-Open No. 56-32206, and in this reference, a force is applied to the string from the string storage section by the driving force of an electric motor, etc. A forced feeding device is provided that feeds the string to the string supply path by applying the force.

[The problem that the idea attempts to solve]

Now, considering the mechanism in this reference, since the mechanism in this reference has a structure in which the string is fed by pushing the string, buckling of the string may occur in the string supply path, and in this mechanism, the pipe material Since the operation of simply feeding the string into the string supply path formed by the method is performed, it may be necessary to manually insert the end of the string that has passed through the string supply path into the string passing hole of the needle. It will be done.

The purpose of the present invention is to rationally construct a tying device that can smoothly and quickly pass a string through the string passage hole of the needle via the string supply path extending from the string storage part to the string passage hole of the needle. At the point.

[Means to solve the problem]

A feature of the present invention is that the binding device includes a mechanism for passing a string through the string supply path of the agricultural binding system configured as described at the beginning, and the string supply path extends from the vicinity of the string storage section to the vicinity of the binding section. A gas injection device is provided on this pipe for pumping gas from the string storage section side, and an opening that can be freely separated from this pipe and is provided at the end of this pipe on the binding section side. The present invention comprises a nozzle whose direction is set to face the string passage hole of the needle, and its functions and effects are as follows.

[Effect]

In other words, when threading a string with the configuration of the present invention, only the tip of the string from the string storage section is inserted into the end of the string supply side of the pipe, and the gas from the gas injection device is inserted into the pipe. By pumping the string inside, the string is sent to the binding part side with the flow of gas, and is finally guided to the string passing hole of the needle by the opening of the nozzle, and is inserted into this string passing hole. It turns out.

Also, when the binding device is activated,
Since the string is pulled out from the string storage portion at a relatively high speed, the opening diameter of the nozzle may be enlarged due to wear, but by replacing the nozzle, the string can be guided well.

[Effect of idea]

Therefore, the string is automatically inserted into the string supply path extending from the string storage section to the string passing hole of the needle, and at the same time, it is possible to smoothly, quickly, and reliably insert the string into the string passing hole of the needle. A binding device through which a string can be passed has been rationally constructed.

〔Example〕

As shown in Fig. 3, there is a weeding tool 1 that separates planted stem culms into objects to be reaped and objects not to be reaped, a pulling device 2 for the stem culms to be reaped from this weeding tool 1, and a pulling device 2 for pulling out the stem culms to be reaped from the weeding tool 1; A working section that includes a reaping device 3 for transporting the harvested stems, a device 4 for conveying the cut stem culms to one side of the machine body, and a binding device 5 for tying the stem culms from the conveying device 4 in a set amount and releasing them to the outside side of the machine body. are connected to the front part of a self-propelled aircraft having a pair of left and right wheels 6, 6, an engine 7, a control handle 8, etc., and
The binder is configured to be driven by transmission power from the engine 7.

In this binder, a string storage section 10 for a winding cord 9 that supplies the string to the binding device 5 is formed behind the working section of the traveling machine, and the binding device 5 is connected to a building 12 and a holder 13 with a binding space 11 in between. In this binding device 5, the needle 14 is driven during the binding operation so that the string passing hole 14 of the needle 14 is
The cord inserted through a is wrapped around the stem culm in the binding space and brought to the knot K to form a knot.

As shown in FIGS. 1 and 2, the part of the binding device 5 where the bill 12, holder 13, and needle 14 are arranged is called a binding part 15, and the space between this binding part 15 and the string storage part 10 is referred to as a binding part 15. A string supply path is formed by a pipe 16.

A gas injection flow path 17 as a gas injection device is provided at the opening of the end of the pipe 16 on the string storage side. A nozzle 23 is detachably attached to the end of the needle 14 in a screw type manner, and the nozzle 23 has a string insertion hole 23a whose diameter becomes smaller toward the tip end at the end on the binding part side. The opening 23b of the needle 14 is placed in close contact with the needle 14, and its opening 23b is directed toward the string passage hole 14a of the needle 14.

The opening/closing valve 18 is urged toward the closing side by the spring 19 and is opened by operating the operating lever 20. By performing this opening operation, water flows into the pipe 16 through the injection flow path 17. Combustion exhaust gas is sent in, and as a result, as the gas flows, the string from the string storage section 10 is sent through the pipe and passes through the nozzle 23 to the string passing hole 14a of the needle 14.
It is designed to be inserted into the

The string storage section 10 is equipped with a string brake 21 that prevents the string from being fed too much during the tying operation, and a slack-removal rod 22 that suppresses the loosening of the string. 21 and the slack-removal rod 22 are set to a non-operating state.

[Another example]

In addition to the embodiments described above, the present invention may also include a gas injection device configured to supply compressed air from a compressor into a pipe.

[Brief explanation of the drawing]

The drawings show an embodiment of the binding device according to the present invention,
FIG. 1 is a sectional view of the string supply device, FIG. 2 is an exploded perspective view of the end of the pipe, and FIG. 3 is an overall side view of the binder. 10... String storage section, 11... Binding space, 14...
... Needle, 14a... String hole, 15... Binding part, 16... Pipe, 17... Gas injection device, 2
3... Nozzle, 23b... Opening, K... Nodule.

Claims (1)

[Claims for Utility Model Registration] The knot part K and the needle 14 sandwiching the binding space 11.
When the binding is performed, the needle 14 is driven to bring the string inserted through the string passing hole 14a of the needle 14 into the knot part K, thereby forming the binding space 1.
The agricultural tying system is configured to perform a tying operation of wrapping a string around the stem culm of 1, and the string supplying system is formed between the string passing hole 14a of the needle 14 and the string storage part 10 in the non-operating state. The binding device is equipped with a mechanism for passing a string through a path, and the string supply path is formed by a pipe 16 arranged from the vicinity of the string storage section 10 to the vicinity of the binding section 15. A gas injection device 17 is provided at the end of the pipe 16 on the binding part side, and is separable from the pipe 16, and the direction of the opening 23b is connected to the string of the needle 14. Nozzle 2 set toward through hole 14a
A binding device comprising: 3.