JPS6125626Y2 - - Google Patents

Description

[Detailed description of the invention] In order to easily adjust the pressure, the string brake device in conventional tying machines was installed close to the string storage frame, so the gap was extremely small and the string could not be inserted into the string hole in the side plate of the string storage frame. It was extremely difficult to pass the end of the tube through.

The object of the present invention is to provide a string brake device for a tying machine that allows the string to be inserted into the hole formed in the side plate of the string storage frame very easily even though the string brake is attached to the side plate of the string storage frame. The string brake is rotatably attached to the side plate of the string storage frame, and the side plate and the string brake are provided with notches that are open at one end and intersect with each other in the braking action position, so that the notches intersect. It is characterized in that the part is configured as a string hole.

The embodiment shown in the drawings will be explained below.1
is a machine base on which wheels 2 are supported and an engine 3 is mounted, and a reaping tying device consisting of a grain culm lifting body 4, a tying device 5, a guide plate 6 and a cutting blade is attached to the front part of the machine. There is a string ball 8 on the machine frame at the rear of the guide plate 6.
A string storage frame 7 is attached to accommodate the string.

A V-shaped notch 10 that is open at the top is provided at the upper center of the side plate 9 at the front of the string storage frame 7, and the base of the base plate 12 of the string brake 11 is connected to the side plate 9 by a fulcrum pin 13. It is pivotably mounted on one side of the.

Further, the string brake 11 is provided with a pair of parallel protrusions 14, 14 in the center and has a notch 15 on one side of the distal end thereof, and the base plate 12,
It is slidably fitted between 4 and 14 and has a long hole 16.
a presser plate 17 having
8, and a spring 21 which is received by a seat 20 and presses the holding plate 17 against the base plate 12.
Recesses 14a, 14a are provided in areas corresponding to the notches 10 of 4, 14 and away from the screw rod 18 so that the string 8a can pass therethrough.

In the above-mentioned device, the string 8a is pulled out from the string ball 8 in the string storage frame 7, and as shown in FIG. Recessed portion 14a, 1
4a, and in this state rotate the string brake 11 to lay it sideways as shown in FIG. 22.

At this time, the string brake 11 is received by the stopper 23.

Next, the end of the string 8a is attached to the string guides 24, 25, 2.
6 and the slack remover 27, and then the needle 28 of the binding device 5.

In addition, when adjusting the clamping pressure of the string brake 11 due to differences in the thickness or friction coefficient of the string 8a, the distance between the pressing point o of the spring 21 and the recess 14a is constant L, while the pressing plate 17 is When sliding in the length direction, the distance between the end 17a on the base side, which is the fulcrum of the press plate 17, and the press point o is L1 to L2.
Therefore, the clamping pressure moves the pressing plate 17 to the fourth position.
When set in the position shown by the solid line in the figures and in FIG. 5, it becomes large, and when set in the position shown by the chain line in FIG. 5, it becomes small.

As described above, the present invention rotatably attaches the string brake to the side plate of the string storage frame, and provides cuts in the side plate and the string brake that are open at one end and intersect with each other in the braking action position. Since the intersecting part is configured as a string hole, when the string pulled out from the string ball is passed through the side plate of the string storage frame, the string can be passed through the notch in the string brake and the string brake can be rotated. The string passes through the hole formed by the notch and the notch in the side plate of the string storage frame, and the string can be easily passed through the hole in the side plate located at the part where the distance between the string ball and the string ball is extremely narrow.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention,
Fig. 1 is a perspective view of the reaping and tying machine, Fig. 2 is a perspective view of the main part, Fig. 3 is a front view of the main part with the string brake erected, and Fig. 4 is a front view of the same as above with the string brake set. FIG. 5 is a plan view of the same as above. 5... Binding device, 7... String storage frame, 9... Side plate, 10, 15... Notch, 12... Board, 17
...Press plate.

Claims (1)

[Scope of utility model registration request] A string brake is rotatably attached to the side plate of the string storage frame, and cuts are provided in the side plate and the string brake that are open at one end and intersect with each other in the braking action position, and the intersection of these cuts is configured as a string hole. A string brake device for a tying machine, characterized in that: