JPS5939091B2 - Binding device with cutting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a binding device equipped with a cutting device for cutting culms.

Conventionally, in combine harvesters, etc., a binding device is attached to the rear of the threshing device to bundle and release the threshed husks, or a cutting device is attached to cut the husks into pieces and release them to the ground. was.

The binding device and the cutting device are formed separately and are replaced and installed alternately, or the cutting device and the binding device are installed in series back and forth and the culm is alternately switched and transported. Cutting or binding work was being carried out.

For this reason, it was troublesome to replace both devices, the structure was complex and could not be manufactured at low cost, and the overall length of the aircraft was increased.

The present invention provides a tying device in which a needle part for wrapping a tying string around a culm and a knock part for tying the tying string are provided facing each other via a culm passage. By providing a cutting device for cutting the culm on the side, the cutting device is integrated into the binding device,
It enables easy switching between tying and cutting of the culm, and also makes it possible to manufacture the structure easily and at low cost.
Furthermore, a clutch is provided in the transmission line that transmits power to the scraping rotor of this cutting device to disconnect and disconnect the power, and at the position where the scraping rod of the scraping rotor has retreated from the culm passage. By providing a fixed position stop device that disengages the clutch and stops the raking rotor, it is intended to prevent the culm from interfering with the raking rod and interfering with the tying operation during tying work. It is.

Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 shows the entire binding device 1, which is locked to a combine harvester (not shown) by a locking part 3, passes through a connecting hole 5, and is connected with a bolt (not shown). .

The shell culm threshed by a threshing device (not shown) is sent through the shell culm passage 7 in the direction of arrow A, and the shell culm is sent in a posture perpendicular to arrow I.

Reference numeral 9 denotes a needle portion provided below the culm passage 7, and is used to wrap the binding string around the culm.

Reference numeral 11 is a knock part provided above the culm passage 7, and is used to bind the binding string.

In FIGS. 1 to 3, the needle portion 9 is constructed as follows.

That is, 13 is located below the culm passage 7 in the transport direction of the culm (
The main body 15 is placed in the horizontal direction perpendicular to
An input shaft 17 is rotatably supported by an input shaft. An input pulley 17 is fixed to the outer end of the input shaft 13, and power is transmitted from an engine (not shown) via a belt (not shown).

Reference numeral 19 denotes a packer shaft 21 rotatably supported by the main body 15.
The clutch gear is fixed to the input shaft 13 and meshes with the input gear 23 which is rotatably fitted to the input shaft 13.

Reference numeral 25 denotes a packer which is pivotally connected to an arm 27 fixed to the end of the packer shaft 21 by a shaft 29, and 31 is a T-protrusion shaft rotatably supported by the main body 15, with a T-protrusion 33 fixed to one end. ing.

The T projection 33 is provided to protrude into the culm passage 7, and is swung by the pressure of the culm to cause the T projection shaft 31 to reciprocate.

A gear 35 rotatably fits into the end of the packer shaft 21, and is provided so as to be freely engageable and disengageable from the clutch gear 19 via a clutch device 37.

The clutch device 37 engages and disengages by rotating the T-protrusion shaft 31.

A crank arm 39 is rotatably fitted to the end of the T-protrusion shaft 31, and a gear 41 and a sprocket 43 are integrally fixed thereto.

45 is a needle shaft rotatably supported by the main body 15;
A needle 47 is fixed to one end, and a swinging rod 49 is fixed to the other end.

A connecting rod 51 has both ends pivotally connected to the end of the swinging rod 49 and the end of the crank arm 39, and the swinging movement of the crank arm 39 causes the swinging rod 49 to swing, thereby connecting the needle shaft. 45 to swing the needle 47.

The needle 47 is formed in an arc shape with a string groove 52 on its outer periphery, and feeds the binding string into the knotter bill portion 11 by swinging back and forth.

53 is a connecting rod having one end pivotally connected to the needle shaft 45, and a part of the packer 25 being pivotally connected to the other end by the shaft 55.

As the arm 270 rotates, the packer 25 swings around the shaft 55 along a predetermined trajectory while being supported by the connecting rod 53, and enters and retracts into the culm passage 7 to connect the culm with the T projection 33. It is pressed by pushing it in between.

The knotter part 11 is constructed as follows.

That is, 57 is a binding shaft that is horizontally and rotatably supported by a support 61 that is fixed to a transmission case 59 that is provided upright on one side of the culm passage 7, and a sprocket 63 is fixed to one end of the binding shaft. A knock base 65 is rotatably provided at the other end.

67 is a timing gear that is fixed to the binding shaft 57; 69 is a knotter bill that is fixed to a shaft 71 that is rotatably provided on the knotter base 65 in a direction perpendicular to the binding shaft 57; 73;
is a gear fixed to the shaft 71 and meshes with the timing gear 67.

75 is a discharge arm that discharges the bundled culm, and 77 is a platform.

Since these structures and operations are the same as those commonly used, detailed explanations will be omitted here.

Reference numeral 79 denotes an interlocking device for interlocking the knotter part 11 and the needle part 9, which is provided on one side of the culm passage 7 and is constructed as follows.

That is, 81 is a transmission shaft provided horizontally in the main body 15, and a sprocket 85 that interlocks with the sprocket 43 via a check 783 is fixedly provided at one end, and a sprocket 87 is fixedly fixed to the other end.

Reference numeral 89 is a chaino that transmits power by rotating the sprocket 87 and the sprocket 63.

91 is a cutting device provided below one side of the culm passage 7;
It is structured as follows.

93 is a scraping rotor fixed on one side to a cylinder 97 rotatably supported by a shaft 95 fixed horizontally to the main body 15, 99 is a gear fixed to the cylinder 97, and 101 is a cylinder. It is a sprocket that rotatably fits into the cheno 10.
Sprocket 105 fixed to input shaft 13 via 3
Power is transmitted from

Reference numeral 106 denotes a fixed position stopping device, which is constructed as follows.

That is, 107 is a clutch slidably provided on the cylindrical body 97 via a key 109, and a claw portion 111 provided at the end of the clutch is detachably engaged with a claw portion 113 provided on the side surface of the sprocket 101.

A shifter 115 has one end fitted into a groove 117 provided on the outer periphery of the clutch 107, and swings about a shaft 119 to cause the clutch 107 to slide.

Reference numeral 121 denotes a locking piece protruding from the side of the clutch 1070, which fits into a locking hole 123 provided in the main body 15 at a position on the side where a scraping rod 125, which will be described later, is retracted from the shell culm passage 7. The claw portion 11 is locked and the clutch 107 is slid.
1 is removed from the claw portion 113, and the scraping rotor 93 is stopped at that position.

Reference numerals 125 and 125 denote scraping rods, which pass through a hole 126 on the outer periphery of the scraping rotor 93 and are attached to the crank 1 with one end attached to the shaft 95.
27, and rotates while moving in and out as the scraping rotor 93 rotates.

Reference numeral 129 denotes a shaft 13 provided horizontally and rotatably on the main body 15.
The rotor is fixed to the rotor 1 and rotates opposite to the scraping rotor 93 to scrape the culm.

133 is a gear fixed to the shaft 131, and is connected to the scraping rotor 9.
It meshes with gear 99, which is fixed to gear 3.

135 is a cutter that is fixed to the input shaft 13 and rotates;
A blade portion 137 is provided on the outer periphery so as to be inclined in the circumferential direction.

A clutch 139 is slidably provided on the input shaft 13 via a key 141, and a claw portion 143 provided on the side surface engages with a claw portion 145 provided on the side surface of the input gear 23 in a detachable manner.

Reference numeral 147 denotes a shifter which is pivotally attached to the main body 15 by a shaft 149, and a groove 15 provided on the outer periphery of the clutch 139.
1 to cause the clutch 139 to slide.

In the above configuration, the husk which has been threshed by the threshing device (not shown) of the combine harvester is sent to the husk passageway 7 from the direction of arrow A in FIG. 1 in a posture perpendicular to the direction of movement. .

When the clutch 139 is slid to the left in FIG. 3, the power transmitted by the pulley 17 rotates the arm 27 via the input shaft 13, the clutch 139, the input gear 23, the clutch gear 19, and the packer shaft 21. , the packer 25 swings around the shaft 29 while being held at one end by the connecting rod 53, scrapes the culm in the culm passage 7, and
It is pressed between the protrusion 33 and the protrusion 33 .

When the culm reaches a predetermined pressure, the T projection rotates, and the clutch device 37 is activated to connect the gear 35 to the clutch gear 19, and the gear 41, crank arm 39, and connecting rod 51
The needle 47 is swung through the oscillating rod 49 and the needle shaft 45 to wrap the binding string around the culm across the culm passage 7 and feed it into the knock part 11.

At the same time, sprocket 43, sprocket 85, and transmission shaft 8
1. Sprocket 87, Cheno 89, Sprocket 63
After that, the binding shaft 57 is rotated and the binding string is tied around the knotter bill 69, and then the culm is cut and the tied culm is pushed by the swinging of the discharge rod 75 and discharged out of the machine.

When the above operation is completed, the clutch device 37 is shut off to its original state with the T projection 33 and needle 4γ returning to their original positions.

During the above-mentioned binding operation, the shifter 115 is operated to slide the clutch 107 to the left in FIG. The claw part 111 slides and the claw part 11
3, the scraping rotor 93 stops at a position on the side where the scraping rod 125 has retreated from the shell culm passage 7, so the scraping rod 125 does not interfere with the scraping rod 125, and this prevents any hindrance to the bundling work. It will never be.

When performing the cutting operation, when the shifter 115 is operated in the opposite direction and the clutch 107 is slid to the right in FIG. It is disengaged from the locking hole 123, and the power of the input shaft 13 rotates the scraping rotor 93 via the sprocket 105, the chino 103, the sprocket 101, the clutch 107, and the cylinder body 9γ, and the scraping rod 125 rotates the culm. Fold it in half and insert it between it and the rotor 129.

The rotor 129 has a gear 99, a gear 133, and a shaft 131.
Rotationally driven through.

The culm sent by the scraping rotor 93 and the rotor 129 is transferred to the blade portion 1 of the cutter 135 that rotates together with the input shaft 13.
37 and is shredded and released to the ground.

During the cutting operation, operate the shifter 14γ to slide the clutch 139 to the right in FIG.
If it is separated from the claw portion 145, the binding operation will be stopped and the cutting operation will not be hindered.

As described above, the present invention provides a tying device in which a needle portion for wrapping a tying string around a culm and a knock portion for tying the tying string are provided facing each other via a culm passage. A cutting device for cutting the shell culm is provided on one side of the shell culm passage, and a clutch for connecting and disconnecting the power is provided in a transmission line for transmitting power to the scraping rotor of the cutting device, A binding device equipped with a cutting device, which disengages the clutch at a position where the scraping rod of the scraping rotor is retracted from the culm passage, and is provided with a fixed position stop device for stopping the scraping rotor. Because of this, it is possible to easily switch between binding and cutting the shell culm, the structure is simple and inexpensive to manufacture, and the cutting device is housed in the space on the side of the shell culm passage. This has the effect of making it smaller and easier to handle, and furthermore, by providing the above-mentioned fixed position stop device, it is possible to prevent grain culms from interfering with the raking rod during tying work.

[Brief explanation of the drawing]

Fig. 1 is an overall perspective view of an embodiment of the present invention, Fig. 2 is a side explanatory view showing a power transmission system, Fig. 3 is a front sectional view showing a power transmission structure, and Figs. 4 and 5 are respective essential parts. FIG. 4 is an enlarged front sectional view and a side sectional view of the portion. (Explanation of symbols representing main parts of the drawing) 7...Culm passage, 9...Needle part, 11...Part of knot, 9
1... Cutting device, 93... Scraping rotor, 106.
・Fixed position stop device, 107 ・Clutch, 125・
・Kakikomi rod.

Claims (1)

[Claims] 1. A binding device in which a needle part 9 for wrapping a binding string around a culm and a seven-vine part 11 for binding the binding string are provided facing each other via a culm passage 7, wherein the culm passage A cutting device 9 for cutting the culm on one side of 7
1, and a clutch 107 for connecting and disconnecting the power is provided in the transmission line for transmitting power to the scraping rotor 93 of the cutting device 91, and the scraping rod 125 of the scraping rotor 93 is connected to the scraping rod 125 of the scraping rotor 93. a fixed position stop device 106 for disengaging the clutch 107 and stopping the scraping rotor 93 at a position evacuated from the culm passage 7;
A binding device equipped with a cutting device.