JPH029641Y2 - - Google Patents

Description

[Detailed description of the invention] This invention is a grain bag release device used in a combine harvester, specifically, during the reaping and threshing operation of a combine harvester.
This invention relates to a discharging device for discharging the grain bag to the outside of a machine body when the grain bag is filled with grains from a grain tank.

In general, in a combine harvester, the grain culms harvested by the reaping part are threshed by the threshing part, the threshed grains are supplied to a grain tank provided on the side of the threshing part, and the grains are removed from the tank. I'm trying to stuff it into bags.

The grain bagging operation is carried out by supporting the upper end of the grain bag on a support rod protruding below the tank, and placing the bottom of the bag on a pedestal below the support rod. When the bag is filled with grains, the bag is pulled out from the support rod and released from the pedestal onto the ground.

By the way, the work of releasing the grain bags onto the ground has conventionally been done manually, but the bags are filled with grains and are very heavy, usually weighing about 30 kg.
Kg, and therefore, a great deal of effort is required to release the grain bags.

Therefore, in order to save labor in discharging grain bags, a discharging device disclosed in Japanese Utility Model Application Publication No. 12185/1985 was proposed, but the discharging device of this publication is located at the front of the pedestal in the discharging direction. A holding frame is provided that extends obliquely toward the ground, and the holding frame rotatably supports a plurality of rolling elements, and the grain bag is moved from the bagging position to the front end position of the holding frame on the pedestal. After providing a moving device and moving the bag to a holding frame,
The grain bag is discharged onto the ground via the rolling element.

However, according to this release device, the holding frame is
Not only is it fixed, but it is also provided at a position away from the bagging position of the grain bag, so that the grain bag can be moved from the bagging position to the front end position of the holding frame as described above. There was a problem in that it was necessary to provide a device, which resulted in a complicated structure.

Moreover, the holding frame is provided with rolling elements, and the rolling elements are exposed to the outside, so that when the user steps on the pedestal during bagging of grains, his or her feet touch the rolling elements. There was a problem with slipping and slipping, which was extremely dangerous.

The present invention was devised in view of the above-mentioned problems, and its purpose is to provide a slider for receiving the grain bag on the pedestal, and when the grain bag is fully filled with grains, the slider is moved. By sliding the grain bag to the outside of the machine through the support, the grain bag can be reliably sent to the outside of the pedestal together with the slider without causing damage to the grain bag, and in normal times. The slider is positioned on a pedestal so that boarding on the pedestal can be carried out safely.

Therefore, the configuration of the present invention is such that a slider having a receiving surface for receiving the grain bag is disposed on a pedestal for the grain bag, and a support body for slidably supporting the slider is provided on the pedestal. The support is mounted so as to be movable between a horizontal position and a tilted position such that the base is higher than the distal end, and a drive device is provided on the pedestal for tilting the support to the tilted position, and a drive device for returning the support from the tilted position to the horizontal position. A return mechanism is provided to return the slider to its original position during movement, and an auxiliary pedestal for the grain bags to be transferred by sliding movement of the slider is provided in the front part of the pedestal.

The grain bag discharging device according to the present invention will be described above with reference to the embodiments shown in the drawings.

In the figure, reference numeral 1 denotes a grain tank installed on the side of the threshing section D of the combine harvester, into which the grains threshed by the threshing section D are to be taken out. is provided with a bagging device 4 consisting of a pair of support rods 2 extending outward from the side of the threshing section D, and a pedestal 3 disposed at the opposite lower part of the support rods 2.

In this way, the grain bag 5 is attached to the support rod 2 of the bagging device 4.
Both sides of the upper end are suspended, the opening of the bag 5 faces the grain outlet 1a of the tank 1, and the bottom of the bag 5 is placed on the pedestal 3 to remove the grains from the tank 1. The grains are to be packed into the bag 5.

Therefore, the pedestal 3 of the bagging device 4 is formed into a U-shape in plan view with an open outer end, and the pedestal 3 is provided with a storage section 3a, and the grain bag 5 is received in the storage section 3a. Flat slider 6 with a receiving surface to stop
is arranged, while inside the storage section 3a,
A support body 7 that supports the slider 6 in a freely sliding manner is provided.

This support body 7 is constructed by installing a plurality of shaft rods 9 between holding frames 8, and a plurality of rolling elements 10 are rotatably inserted into each shaft rod 9, and the outer peripheral upper surface of each of the rolling elements 10 is The slider 6 is brought into contact with and supported by the slider 6.

Further, the support body 7 is placed in the storage section 3a of the pedestal 3.
The grain bag 5 is supported movably in both a horizontal position and a tilted position where the base side is higher than the tip side, and when the grain bag 5 is fully filled with grains,
A drive device 1 in which the support body 7 is provided inside the pedestal 3
1, the grain bag 5 is tilted to the tilted position, and the weight of the grain bag 5 causes the slider 6 to slide along with the grain bag 5 to the outside of the pedestal 3 via the rolling element 10.

Specifically, a fixed shaft is provided between both side walls 3b, 3b forming the storage section 3a of the pedestal 3, on the base side thereof, that is, on the side of the threshing section D, and on the front end side of the grain bag 5 in the discharge direction. 12, 12, and each shaft 12, 1
The first and second bell cranks 13, 14 are rotatably inserted and supported on both sides of the cranks 13, 14 in the axial direction, respectively, and the first projecting pieces 1 of each of the cranks 13, 14 are
3a, 14a are connected to the shaft rods 9, 9 located at the proximal end and front side of the support body 7, respectively, while the second projecting piece 13 of each of the cranks 13, 14
b, 14b are connected to the drive device 11.

In the illustrated embodiment, a hydraulic device 11 is used as the drive device 11, and a piston 11b provided in a hydraulic cylinder 11a of the hydraulic device 11 is supported on the base end side of the pedestal 3. The hydraulic cylinder 11
The first projecting piece 1 of each of the cranks 13 and 14 moves forward and backward of the piston 11b as oil is supplied and drained to
3a and 14a are designed to be vertically swung around each fixed shaft 12.

Further, the first crank 13 has a first protruding piece 13
By making the distance between the fixed shaft 12 and the shaft rod 9 in a larger than the distance between the fixed shaft 12 and the shaft rod 9 in the first protruding piece 14a of the second crank 14, The first protruding piece 1 of the first crank 13 is made to have a larger swing locus with respect to the second crank 14, that is, when the piston 11b exits, the first protruding piece 1 of the first crank 13
3a is intended to swing upwardly relative to the first protruding piece 14a of the second crank 14, and as a result of the withdrawal of the piston 11b, the first crank 13 is raised higher and the second crank 14 is raised higher. In order to make the slider 6 slide toward the outside of the pedestal 3 via the rolling element 10, the support body 7 is tilted as high as possible with respect to the distal end side by swinging the support body 7 upwardly. It is eggplant.

Further, the slider 6 is provided with a return mechanism 16 for returning the slider 6 to the original position, that is, the upper position of the pedestal 3 when the support body 7 returns from the tilted position to the horizontal position. In the example, the holding frame 8 of the support body 7 and the slider 6
Attachment pieces 16a, 16a are provided respectively, and a tension spring 16b is tensioned between the attachment pieces 16a, 16a, so that the slider 6 is returned to the pedestal 3 side by the tension spring 16b.

Further, an auxiliary pedestal 17 is provided in the front part of the pedestal 3 in the sliding direction of the slider 6, and the grain bag 5 is conveyed and placed on the pedestal 17 by the slider 6. .

The auxiliary pedestal 17 is provided with a bottom wall 17a that receives the slider 6, and a sloped portion 17b whose front end is gradually deeper than the upper wall 17c is formed in the front part of the bottom wall 17a. When the grain bag 5 is conveyed onto the upper wall 17c of the pedestal 17, the slider 6 is retracted to the inclined portion 17b side, the load of the grain bag 5 on the slider 6 is released, and the slider 6 The return mechanism 16
This is done in order to return it to its original position.

In the illustrated embodiment, a set of two sliders 6 is used, and each slider 6 is mounted on the auxiliary pedestal 17.
A bottom wall 17a is formed to receive the.

Further, a grain bag 5 is provided on the rear end side of the slider 6.
A guide 18 is provided upright to prevent the bag 5 from falling down when the bag 5 is conveyed by the slider 6.

Further, in the illustrated embodiment, a bag receiver 19 for receiving the grain bag 5 is provided at the outer end of the auxiliary pedestal 17.

As shown in FIG. 5, the auxiliary pedestal 17 and the bag holder 19 are designed to be automatically swung up and down by the operation of the drive device 20. The grain bag 5 conveyed onto the pedestal 17 is discharged from the machine by the movement.

Specifically, the lower part of the proximal end of the pedestal 17 is vertically supported by the bracket 20 provided on the pedestal 3 via the shaft 21, and the upper part of the proximal end is supported by the pedestal 3. The auxiliary pedestal 17 is connected to a drive device 22 such as a hydraulic device attached to the shaft 3, and the operation of the drive device 22 causes the auxiliary pedestal 17 to vertically swing from a horizontal position to an obliquely downward direction about the shaft 21.

Moreover, the bag receiver 19 includes a set of two rods 19.
a, 19a and a connecting rod 19b connecting the upper ends of the rods 19a, 19a;
19a are attached to both outer ends of the auxiliary pedestal 17 via shaft rods 23 so as to be freely undulating.

An interlocking mechanism 24 is interposed between the bag holder 19 and the auxiliary holder 17, and specifically, approximately L
Using the interlocking rod 24a having a shape, the interlocking rod 24a
Attach one end to the upper tip of the pedestal 3 with a pivot pin 24b.
and the other end is supported by a pivot pin 24c at a position below the shaft rod 23 of the bag holder 19, and the auxiliary pedestal 17 is supported by the interlocking rod 24a.
The bag receiver 19 is interlocked and connected to the bag receiver 19.

In this way, the auxiliary pedestal 17 by the drive device 22
When the bag receiver 19 swings downward, the bag receiver 19 is moved to the shaft rod 23 via the interlocking rod 24a of the interlocking mechanism 24.
The upper part of the bag holder 19 swings counterclockwise around
It will be pushed outward through 3. That is,
By swinging the auxiliary pedestal 17, the bag holder 19 is attached to the interlocking rod 24, one end of which is supported on the pedestal 17.
Due to the tensile action of a, the rod is collapsed outward around the shaft rod 23. Therefore, due to the rocking of the pedestal 17 and the outward collapse of the bag holder 19 with respect to the auxiliary pedestal 17, the pedestal 17
The upper grain bag 5 can be released through the bag receiver 19, and when the pedestal 17 is moved upward to the horizontal position, the interlocking rod 24a pushes the bag receiver 19 to release the grain bag 5. The bag holder 19 is pulled inward through the shaft rod 23 to make the bag holder 19 stand up, and as the bag holder 19 stands up, it is transported from the pedestal 3 side, and the auxiliary pedestal is It is designed to receive the grain bag 5 placed on the grain bag 17.

Further, the tank 1 is provided with a plurality of discharge ports 1a, and each grain bag 5 is discharged from each of these discharge ports 1a.
In the case of a device in which grains are packed in bags, it is desirable to provide the above-mentioned discharge devices in correspondence with each of the discharge ports 1a, and to operate the slider 6 individually. .

The present invention is constructed as described above, and during bagging work from the grain tank 1 into the grain bag 5, the first
As shown in the figure, the piston 11b of the hydraulic device 11
The first and second bell cranks 13,1
4, the support 7 of the slider 6 is placed in a horizontal position, and the slider 6 is placed on the pedestal 3, and the grain bag 5 is placed on the slider 6, so that the grain bag We will do the filling.

When the grain bag 5 is fully filled with grains, the opening of the bag 5 is closed, and then the piston 11b of the hydraulic device 11 is withdrawn.

Then, the first projecting pieces 13a, 14a of the first and second bell cranks 13, 14 are swung upward as shown in FIG. The slider 6 is projected in a tilted state in which the base side is higher than the tip of the grain bag 5, and the slider 6 is moved along the grain bag 5 due to the weight of the bag 5 to the side of the pedestal 3 as shown by the imaginary line in FIG. The grain bag 5 is swung by the slider 6 toward the auxiliary pedestal 17 side via the rolling elements 10 of the support 7.
is conveyed onto the auxiliary pedestal 17.

After the grain bag 5 is conveyed, the slider 6 is retracted to the inclined part 17b provided at the front part of the auxiliary pedestal 17, and is released from the load caused by the grain bag 5.
It is returned onto the support body 7 via the return mechanism 16.

After that, the piston 11b of the hydraulic device 11
Then, the slider 6 and support body 7 are brought into a horizontal state, and the bagging operation is performed again.

As explained above, in the discharging device of the present invention, a slider for receiving a grain bag is arranged on a pedestal, and the slider is slidably supported by a support that is linked to a drive device, so that grains can be placed inside the grain bag. When the grains are fully filled, the support body is tilted as much as possible so that the base side is higher than the tip side through the drive device, and the slider is moved along with the grain bag to an auxiliary holder provided outside the pedestal. Since the grain bags were to be transported to the table, when the grain bags were to be transported from the pedestal to the auxiliary pedestal in order to be discharged outside the machine, the grain bags could be transported in a labor-saving manner without the need for human intervention. Since the bags are transported together with the slider via the slider, the grain bags are not damaged during transport and can be transported reliably.Furthermore, when the grain bags are not being transported, the pedestal is Since the slider is located at the upper part, when the person steps on the pedestal to close the opening of the grain bag, the footing is stable and the person can safely step on the pedestal.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway front view of the ejection device according to the present invention, Fig. 2 is a diagram of its operating state, Fig. 3 is a perspective view of the main part of the ejection device, and Fig. 4 is a plan view of a part of the support. , FIG. 5 is a front view of the auxiliary pedestal portion. 2... Support rod, 3... pedestal, 4... bagging device,
5... Grain bag, 6... Slider, 7... Support body, 11... Drive device, 16... Return mechanism, 17
...Auxiliary pedestal.

Claims (1)

[Scope of utility model registration request] A support rod 2 that suspends the bag and a pedestal 3 that receives the bottom of the bag
A slider 6 having a receiving surface for receiving a bag filled with grains is arranged on the pedestal 3 of the bagging device, and the slider 6 can freely slide on the pedestal 3. The supporting body 7 is mounted so as to be movable between a horizontal position and a tilted position where the base is higher than the distal end, and the supporting body 7 is mounted on the pedestal 3.
A driving device 11 for tilting the slider 6 to the tilted position and a return mechanism 16 for returning the slider 6 to the original position when returning from the tilted position to the horizontal position are provided. A grain bag discharging device characterized in that an auxiliary pedestal 17 for the bag, which is transferred by the sliding movement of a slider 6, is provided.