JP2001258374A - Un-threshed material-treating device of thresher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To discharge straw refuse, dust, etc., generated in a threshing chamber as soon as possible into the inside of a discharged dust-treating chamber. SOLUTION: This un-threshed material-treating device for discharging the un-threshed material generated in the threshing chamber 4 through a discharging port 7 installed at the final end part of conveyance of the threshing chamber, is provided by installing a bypass passage 9 communicating with a supplemental discharging port 8 for discharging a part of the un-threshed material in front of the discharging port 7, and also installing a gathering plate 32 for gathering the straw refuse, dust, etc., to the conveyance-starting end part side at the position of the bypass passage 9 in the threshing chamber 4 and a conveying blade 34 for conveying them to the bypass passage 9 at the outer circumferential part 5a of the threshing drum 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a dust processing chamber other than a discharge port for discharging unthreshed products from a threshing chamber through a discharge port to a dust processing chamber provided on the side of the threshing chamber. Providing a bypass passage connected to an auxiliary discharge port for discharging some unthreshed processed material to the threshing chamber at the position of the bypass passage, a generated plate for bringing the generated straw waste, dust and the like to the transfer start end side, In addition, it is a technique in which a transfer blade for transferring to the bypass passage is provided on an outer peripheral portion of the handling drum, and can be used as an unthreshing processing device of a threshing machine.

[0002]

2. Description of the Related Art Grains supplied to a threshing room are threshed by a handling cylinder while being transported in the threshing room, and threshed grains and some straw chips, dust, etc., leak from the threshing room. Then, it is supplied onto a swing sorting device.

[0003] A part of the unthresh-processed material that has not been threshed in the threshing chamber, and a part of straw waste and dust, etc., are discharged from the threshing chamber via a discharge port at the end of transfer of the threshing chamber. The dust is supplied into the room, re-threshed by the dust treatment drum in the dust treatment room, and the thresh-treated grain, and some straw chips and dust, etc., leak from the dust treatment room and shake. The sifted material is supplied to the sifting device, and simultaneously with the spillage from the threshing room, swayed by the swaying device and blast from the blower, and the sifted grains are discharged outside the machine. Is done.

[0004] The selected straw waste, dust and the like are sucked by an air blower and discharged outside the machine.

[0005]

Some unthreshed products, straw chips, dust and the like generated during the threshing process in the threshing room are:
By being discharged into the dust treatment chamber from the discharge port provided at the transfer end portion of the threshing chamber, the time in which the generated straw waste, dust, and the like stay in the threshing chamber becomes longer. At the same time, the threshed grain has a poor leak from this threshing room, and the threshing efficiency has been reduced, and the number of scattered grains has increased, causing loss of grain. The present invention seeks to solve these problems.

[0006]

For this purpose, according to the present invention, a dust processing chamber 6 having a dust processing cylinder 36 is provided on one side of the threshing chamber 4 having a handling cylinder 5 therein. In a threshing machine provided with a discharge port 7 for discharging the unthreshed processed product from the threshing chamber 4 to the dust processing chamber 6, a part of the unthreshed processed product is transferred to the dust processing chamber 6 in addition to the discharge port 7. A bypass passage 9 communicating with the auxiliary discharge port 8 for discharging is provided.
In the threshing room 4 at the position, generated straw waste and the like are stored in the threshing room 4.
A transfer plate 34 is provided on the outer peripheral portion 5b of the handling cylinder 5 at the position of the bypass passage 9 to transfer a part of the unthreshed processed material to the bypass passage 9.
The configuration of the unthreshing material processing device of the threshing machine, characterized in that a threshing machine is provided.

[0007]

The cereal culm supplied into the threshing chamber 4 is threshed by the handling cylinder 5 during the transfer in the threshing chamber 4, and the threshed grains,
In addition, some of the straw waste, dust and the like leak from the threshing chamber 4 and are supplied to the swing sorting device.

[0008] A part of the unthresh-processed material that has not been threshed in the threshing chamber 4 and a part of straw waste, dust and the like are provided from the threshing chamber 4 in a bypass path 9 and an auxiliary discharge port 8. From both the discharge port 7 provided at the transfer end portion of the threshing chamber 4, the dust is supplied into the dust processing chamber 6, and the threshing process is performed again by the dust processing cylinder 36 in the dust processing chamber 6, and the threshing process is performed. Finished grain,
Some of the straw debris and dust, etc., leak from the dust treatment chamber 6 and are supplied to the rocking sorting device, and are simultaneously shaken by the rocking sorting device simultaneously with the leakage from the threshing chamber 4. Due to the dynamic sorting and the blast from the blower, the wind is sorted, and the sorted kernels are discharged outside the machine.

[0009] The selected straw waste and dust are sucked by an air blower and discharged outside the machine. During this threshing operation, the generated scraps and dust are brought toward the transfer start end side of the threshing chamber 4 by a pulling plate 32 provided in the threshing chamber 4 at the position of the bypass passage 9, and the straw is removed. After reprocessing the wastes and the like, the wastes are supplied from the bypass passage 9 to the dust processing chamber 6 through the auxiliary discharge port 8. In addition, the handling cylinder 5 at the position of the bypass passage 9
The threshing chamber 4 is provided by the transfer blades 34 provided on the outer peripheral portion 5b of the threshing chamber 4.
The straw waste, dust and the like in the inside are surely transferred into the bypass passage 9 and supplied from the bypass passage 9 through the auxiliary discharge port 8 into the dust discharge processing chamber 6 for re-threshing.

[0010]

According to the present invention, the straw waste, dust and the like generated in the threshing chamber 4 are discharged from both the auxiliary discharge port 8 and the discharge port 7, so that the straw waste and the dust in the threshing chamber 4 are removed. The discharge process into the discharge processing chamber 6 is accelerated, so that the stagnant time of the straw chips and dust in the threshing chamber 4 is shortened. Therefore, the threshed kernels leak from the threshing chamber 4. The bottom is good, the threshing efficiency is improved, and the third scattered grains are reduced, so that the occurrence of grain loss can be prevented.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. A threshing machine 3 is mounted on the upper side of a traveling platform 2 of the combine 1, and in a threshing room 4 of the threshing machine 3, a handling cylinder 5 in which various handling teeth 5 a are implanted is rotatably mounted on an inner shaft. The threshing chamber 4 is provided with a discharge port 7 for discharging unprocessed unthreshed processed material from the threshing chamber 4 to the dust processing chamber 6. Unthreshing equipment 10 provided with a bypass passage 9 connected to an auxiliary discharge port 8 for discharging a portion from the threshing chamber 4 to the dust processing chamber 6
Will be described with reference to FIG.

A mowing machine 11 is provided at the front of the traveling platform 2 of the combine 1 and a cutting blade device 12 of the mowing machine 11 is provided.
The harvested stalks harvested in the above step are transferred to the upper rear part by the stalk stalk transfer device 13 of the reaper 11 and transferred to the feed chain 14a and the holding rod 14b of the threshing machine 3, where the feed chains 14a and It is configured to take over and transfer with the holding rod 14b and thresh in the threshing machine 3 during this transfer.

A traveling device 15 having a pair of left and right traveling crawlers 15a traveling on the soil surface is disposed below the traveling platform 2 of the combine 1 and threshing mounted on the traveling platform 2 above. At the right side of the machine 3 in plan view, a grain storage tank 1 for collecting and temporarily storing threshed and sorted kernels
6 is mounted.

On the rear side of the grain storage tank 16, a discharge support cylinder 17 having a vertical transfer spiral 17a for discharging the grains stored in the grain storage tank 16 out of the machine is rotated in a substantially vertical posture. A discharge auger 18 is provided at the upper end of the discharge support tube 17, which is movably supported, and has a discharge spiral 18 a for discharging grains outside the machine, the total length of which extends over the length of the combine 1, and which is internally contractible. It is a structure that is arranged in the front-rear direction so as to be able to contract, rotate up and down, and turn left and right freely.

A reaper 11 provided in front of the threshing machine 3 and in front of the traveling platform 2 includes a narrow guide 19a and a weeding body 19b for separating the leeched cereal stems that are sequentially cut from the front end, and a separated grain. A raising device 20 for raising the culm, a cutting blade device 12 for scraping the raised grain culm, and cutting the raked grain culm;
It is configured to include a grain stalk raking and transferring device 13 for transferring the harvested grain stalk to the upper rear, and a telescopic cylinder 21 or the like that is provided by hydraulically driving the mower 11. By operating the telescopic cylinder 21, the mower 11 is made to be able to move up and down on the soil surface.

On the threshing machine 3 side, an operation room 25a is formed by an operation case 25. In the operation room 25a, an operation device 22 for operating and adjusting each part of the combine 1 and a pilot operator are mounted. A cockpit 22a or the like is provided, and an engine 23 is provided on the upper surface of the traveling chassis 2 below the cockpit 22a.
And a grain storage tank 16 is disposed at the rear. These threshing machine 3, reaper 11,
The fuselage 1a of the combine 1 is constituted by the engine 23, the traveling device 15, and the like.

In the culm conveying path formed by the cereal stalk raking and transferring device 13 of the reaper 11, the culm is transferred to the threshing machine 3 by contacting the cut culm which is cut and transferred. This is a configuration provided with a grain culm sensor 13a that detects the presence or absence of supply. A vehicle speed sensor 24a for detecting a traveling vehicle speed based on the output rotation speed is provided in a transmission path in a traveling transmission case 24 mounted on a distal end portion of the traveling chassis 2.

The threshing machine 3 is shown in FIGS.
As shown in FIG. 6, the threshing chamber 4, the second processing chamber 26 at the right front of the threshing chamber 4 and the dust processing chamber 6 at the rear are arranged in the upper part, and the sorting is performed in the lower part. This is a configuration in which a chamber 27 is arranged. The threshing chamber 4 is formed between the front machine wall plate 28a and the middle machine wall plate 28b, and in the threshing chamber 4, a large number of various handling teeth 5a are implanted in the outer peripheral portion 5b. Are rotatably supported in the front-rear direction and are rotatably supported by a body cylinder shaft 28.
A feed chain 14a for holding the harvested culm along a handle 29 on the left side in plan view of the threshing room 4, and a holding rod 14b.
And a handling net 30b surrounding the lower part of the outer peripheral edge of the handling teeth 5a of the handling cylinder 5 to the handling cylinder cover 30a.
This is the configuration in which

At the transfer end of the handling net 30b of the threshing room 4, unthreshed processed material that has not been threshed in the threshing room 4, straw chips, dust and the like are provided at the lower right side. A discharge port 7 formed by a dust guide plate 7a connected to the handling net 30b for guiding and discharging into the processing chamber 6 is provided, and unthreshed products, some straw chips, and dust are discharged from the discharge port 7, It is configured to discharge to the transfer start end of the dust processing chamber 6.

A dust separating plate 31 is provided in front of the wall plate 28b forming the threshing chamber 4 by a predetermined distance, and a predetermined width is provided in front of the dust separating partition 31 in the threshing chamber 4. A bypass passage 9 is formed by a bypass plate 9a so as to communicate with the front end of the dust treatment chamber 6 in a substantially box-shaped bottom, and an upper portion of a rear side wall of the bypass plate 9a forming the bypass passage 9 is provided. An auxiliary outlet 8 is provided on the upper part of the dust partitioning plate 31, and a part of the unthreshed processed material that has not been threshed in the threshing chamber 4, straw chips, dust and the like pass through the bypass passage 9. The dust is discharged to the transfer start end of the dust processing chamber 6 through the auxiliary discharge port 8. The discharge is performed from the auxiliary discharge port 8 at a stage preceding the discharge from the discharge port 7.

A part of the unthreshed products, straw chips, dust and the like that could not be threshed in the threshing chamber 4 are discharged from the auxiliary discharge 8 in the preceding stage into the dust processing chamber 6, and the remaining unthreshed processing. Threshing, straw waste, dust and the like are discharged from the discharge port 7 at the end of transfer into the dust processing chamber 6. Straw chips, dust and the like in the unthreshed processed material are discharged early from the auxiliary discharge port 8 in the former stage, so that the mesh of the handling net 30b forming the threshing chamber 4 is changed by the straw chips and the like. In this configuration, the clogging is reduced, and the grains are more likely to leak from the handling net 30b, so that the threshing performance can be improved, the number of third scattered grains can be reduced, and the like.

At the position of the bypass passage 9 in the threshing chamber 4,
At the front side of the dust-extraction partition plate 31, the inner surface of the handle drum cover 30 has a width substantially equal to that of the bypass passage 9, as shown in FIGS. 1 and 2. The approach plate 32 for bringing the unthreshed processed material or the like to the transfer start end (front side) is provided to be inclined at a predetermined angle toward the transfer start end. At the position of the rear end of the shift plate 32, the handle cylinder cover 30
The inner surface of a is provided with a partition fitting 33 for applying resistance to threshing during the threshing process.

As a result, the transfer of the straw waste generated in the threshing room 4 to the transfer end portion (rearward) as much as possible by the partitioning bracket 33 to reduce the straw waste, By moving the waste to the transfer start end side (forward), the efficiency of taking the waste into the bypass passage 9 is increased, and the waste in the threshing chamber 4 is reduced.

At the outer peripheral portion 5b of the handling drum 5 where the bypass passage 9 of the threshing room 4 is located, the transfer blade 3 for transferring the unthreshed processed material and the like in the threshing room 4 to the bypass passage 9 is provided.
4 is provided. One or a plurality of the transfer blades 34 are provided on the outer peripheral portion 5b of the handling cylinder 5, and the transfer blade 34 is rotatably mounted on a blade shaft 34a, and the handling cylinder 5 is rotated by a predetermined rotation. When the number is reached, it stands up.

As a result, the unthreshed products and the like in the threshing chamber 4 can be reliably transferred into the bypass passage 9. In a second processing chamber 26 provided in front of the threshing chamber 4 in parallel with the right side of the threshing chamber 4, re-threshing processing is performed while transferring the unthreshed material (secondary material) to be reduced forward to the sorting chamber 27. The threshing chamber 4 is provided in each of the processing teeth 35a to be discharged, the second processing cylinder 35 equipped with the second discharge blade 35b, and the dust processing chamber 6 at the rear.
A transfer spiral 36a for re-threshing while transferring the unthreshed processed material and the like discharged from the discharge port 7 and the auxiliary discharge port 8 to the rear, and discharging the same to the sorting chamber 27; This is a configuration in which a blade 36b and a dust cylinder 36 mounted thereon are rotatably supported by a coaxial dust shaft 36c.

On the front side surrounding the lower part of the outer peripheral edge of each processing tooth 35a of the second processing cylinder 35, a second chamber receiving plate 37 is stretched, and the lower part of the outer peripheral edge of the transfer spiral 36a of the dust discharge processing cylinder 36 is provided. On the rear side surrounding the side, a leaking tool 38 provided with a bar at a predetermined interval is provided.
This is the configuration in which The transfer end of the second chamber receiving plate 37 is provided with a second discharge port 37a for discharging the thresh re-threshed in the second processing chamber 26 to the sorting chamber 27. 38, a dust discharge port 38a for discharging thresh re-threshed in the dust processing chamber 6
Is provided.

The harvested grain culm transferred by the grain culm transfer device 13 of the reaper 11 is provided with an inlet funnel (shown in the drawing) provided below the handle 29 and protruding forward from the front machine wall plate 28a. ) And is taken over by a vertically movable holding rod 14b and a feed chain 14a, and is taken over.
And threshing during transfer in the threshing chamber 4.

In the sorting chamber 27, threshing material leaked from the handling net 30b, threshing material leaking from the leaking device 38, threshing material discharged from the second discharge port 37a, and dust discharge Exit 3
The swing sorting device 39 which receives the supply of the dust discharged from 8a and swings while transporting the dust is provided along the axial direction of the handling cylinder 5.

The rocking sorter 39 is provided with a transfer shelf 40a, a chaff sheave 40b, a straw rack 40c, and a rocking shelf 40d from the front, and a Glen sheave 40e below the chaff sheave 40b. It is a configuration provided. The chaff sheave 40b is configured so that the transfer angle can be adjusted and the amount of leakage can be adjusted. A swing fulcrum 41a is provided at the front end of the front portion (upper side), and is swingably mounted by a swing cam 41b provided at the rear portion (lower side).

A blower 42 in which a blower blade 42a is rotatably mounted is provided below the transfer start end (upper side) of the swinging sorter 39, and the sorting wind generated by the blower 42 is blown. In this configuration, wind and dust are separated into grains and dust. The threshed waste straw is configured to be sandwiched between the straw straw chain 43a and the straw sandwiching rod 43b and transferred backward.

The lower end of the blower 42 accommodates the kernels that have been sorted down from the first sorting shelf 44, and is connected by a first spiral 44b to the upper side of the first receiving gutter 44a to be fed sideways. The lower side of the first trough 44a is the first sorting shelf 44.
Is connected to the lower end of the.

On the rear side (lower side) of the first gutter 44a,
On the lower side of the first sorting shelf 44, the second threshing-processed material (second product) that has flowed down from the swinging shelf 40 d of the swinging sorting device 39 is accommodated, and is fed by the second spiral 45 a. A gutter 45 is provided. The upper end of the upper side of the second receiving gutter 45 is overlapped with the lower side near the upper end of the first sorting shelf 44, and the upper end of the lower side is swung. This is a configuration in which the lower part near the lower end of the shelf 40d is superposed. The rear end of the swinging shelf 40d is configured to be opened outside the machine.

At the lower end of the swinging shelf 40d of the swinging sorting device 39, a second blowout prevention plate 45b made of a rubber material or a resin material is provided as shown in FIG.
The lower portion of 5b is configured to be inserted into the second receiving gutter 45.
Thereby, the grains scattered from the second receiving gutter 45 can be prevented by the second blowing prevention plate 45b.

The sorted kernels laterally transported by the first spiral 44b are taken over by a frying machine (not shown) or the like, and are transported into the kernel storage tank 16 for storage. . Unthreshed processed material (second product) laterally transported by the second spiral 45a
And the second reduction cylinder 46 having a second reduction spiral 46a to be transported into the second processing chamber 26 is installed obliquely on the right side of the threshing machine 3 in plan view.

Above the transfer end of the swing sorting device 39, the sorted dust separated by the sorting wind of the blower 42 and the swing sorting of the swing sorting device 39 is discharged to the blower 47.
, And is discharged out of the apparatus. As shown in FIG. 1, a fuel tank 50 is mounted above the traveling chassis 2 on the transfer terminal end side of the swing sorting device 39. At the upper part of the fuel tank 50, left and right support plates 48a and 48b of a predetermined length are fixedly provided on the inner surfaces of the left and right machine wall plates 29a and 29b of the threshing machine 3. It is.

At the lower end of the rocking shelf 40d of the rocking sorter 39, a straw waste preventing plate 4 made of rubber or resin is provided.
9 and the straw debris prevention plate 49 is provided on the left and right machine wall plates 29.
Left and right support plates 48a, 48 fixedly mounted on the a, 29b
b on the fuel tank 5
0 is provided in a state of covering it. This fuel tank 50
Straw chips, dust, etc., which fall to the upper side,
To prevent the accumulation of straw chips and dust on the fuel tank 50.

Thus, it is possible to prevent the accumulation of straw chips and dust on the fuel tank 50. Therefore, when the fuel tank 50 is refueled, the straw chips and dust are introduced into the fuel tank 50. Dust and the like no longer enter. Front / rear opening / closing cylinders 51 and 52 of a hydraulic drive type for opening and closing the handle cylinder cover 30a;
The rotatable stopper 53 for supporting the opening a is provided as shown in FIGS. 5 and 6, and the mounting portion 51b of the telescopic cylinder 51a of the front opening / closing cylinder 51 is provided with a mounting long hole 51c. It is a configuration provided. The mounting portion 52b of the telescopic cylinder 52a of the rear opening / closing cylinder 52 has a round hole 5 for mounting.
2c is provided.

The telescopic cylinder 5 of the front opening / closing cylinder 51
1a and the extension cylinder 52a of the rear opening / closing cylinder 52 at the maximum extension length are different from each other.
The operation of the rear opening / closing cylinders 51 and 52 causes the handling cylinder cover 3 to move.
0a is pushed up to the open state to a substantially fully opened state, and when the handle cylinder cover 30a is fixed by the stopper 53, the operator slightly lifts the handle cylinder cover 30a by hand to further open the handle cylinder cover 30a. Move in the direction. At this time, since one side is still operating in the opening direction, the pushing-open force is a small force.

Accordingly, the opening / closing operation and the supporting operation can be easily performed. As shown in FIGS. 7 to 9, the threshing machine 54 is provided with a second processing cylinder 55 at a front portion on the right side of the handling cylinder 5 and a dust processing cylinder 56 at a rear portion. 5
4, a gear case 57 is provided on the outside of the front machine wall plate 28a, and a second shaft 57a is pivotally provided on the gear case 57, and a shaft end of one side of the second shaft 57a is provided. Has a configuration in which a gear 57b is pivotally provided, and a pulley 57c is mounted on the front shaft end on the other side.

The front end of the second processing cylinder 55 is inserted and provided in a gear case 57, and a gear 55a is provided at a position of the front end of the second processing cylinder 55 located in the gear case 57. The gear 55a meshes with the gear 57b of the second shaft 57a.

The dust processing cylinder 56 is supported by a dust cylinder shaft 56a, and a pulley 56b is provided at the front shaft end of the dust cylinder shaft 56a. A pulley 5 is attached to a front shaft end of a handle cylinder shaft 58 that supports the handle cylinder 5.
8a. A belt 58b is stretched over the pulley 58a, the pulley 57c of the second shaft 57a, and the pulley 56b of the dust cylinder shaft 56a.
Due to the rotation of the pulley 58a, the dust processing cylinder 56 is driven to rotate in the same rotation direction as the handling cylinder 5, and the second processing cylinder 55 is driven to rotate in the reverse rotation direction to the handling cylinder 5.
The second material returned to the second processing cylinder 55 is taken into the second processing chamber 26 containing the second processing cylinder 55 as soon as possible.

As a result, the second product that is reduced into the second processing chamber 26 having the second processing cylinder 55 therein is quickly taken into the second processing chamber 26. Also, the dust processing cylinder 56
Has the same rotation direction as the handle cylinder 5,
Of the unthreshed processed material supplied from the company became better.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional side view of a threshing machine.

FIG. 2 is an enlarged plan sectional view of a threshing machine.

FIG. 3 is an enlarged sectional view taken along the line AA of FIG. 1;

FIG. 4 is an overall side view of the combine.

FIG. 5 is an enlarged side view of the handle cover of the threshing machine.

FIG. 6 is an enlarged side view of the opening / closing cylinder portion.

FIG. 7 is a view showing another embodiment, and is an enlarged plan sectional view of a threshing machine.

8 is a view showing another embodiment, and is a cross-sectional view taken along the line BB in FIG. 7;

FIG. 9 is a view showing another embodiment, and is a cross-sectional view taken along a line CC in FIG. 7;

[Explanation of symbols]

 Reference Signs List 4 threshing room 5 handling cylinder 5b outer peripheral portion 6 dust treatment chamber 7 discharge port 8 auxiliary discharge port 9 bypass passage 32 gathering plate 34 transfer blade 36 dust discharge treatment cylinder

 ────────────────────────────────────────────────── ─── Continued on the front page F term (reference) 2B092 AA01 AB04 BB01 BB05 2B094 AA05 AA08 AA11 AB02 AB07 AB12 AC01 AC16 AD06 AE01 AF01 AH01 AH05 AJ07 AJ09 AJ12 EA05 HA01 JA03 JB07

Claims (3)

[Claims] 1. A dust processing chamber 6 having a dust processing cylinder 36 installed therein is provided on one side of a threshing chamber 4 having a handling cylinder 5 therein, and an unthreshed product is discharged from the threshing chamber 4 to the outside. In a threshing machine provided with a discharge port 7 for discharging to a dust treatment chamber 6, the discharge port 7
A threshing machine for a threshing machine, further comprising a bypass passage 9 communicating with an auxiliary discharge port 8 for discharging a part of the unthreshed product into the dust treatment chamber 6. 2. In the configuration of claim 1, a closing plate 32 is provided in the threshing chamber 4 at the position of the bypass passage 9 for bringing generated straw waste and the like to the transfer start end side of the threshing chamber 4. An unthreshing material processing device for a threshing machine. 3. A transfer blade 34 for transferring a part of the unthreshed processed material to the bypass passage 9 is provided on the outer peripheral portion 5b of the handling cylinder 5 at the position of the bypass passage 9. An unthreshing material processing device for a threshing machine, characterized in that: