CN108513813B - Caterpillar rolling type kenaf threshing device - Google Patents
Caterpillar rolling type kenaf threshing device Download PDFInfo
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- CN108513813B CN108513813B CN201810543329.0A CN201810543329A CN108513813B CN 108513813 B CN108513813 B CN 108513813B CN 201810543329 A CN201810543329 A CN 201810543329A CN 108513813 B CN108513813 B CN 108513813B
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- threshing
- kenaf
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- storage box
- rolling
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- 240000000797 Hibiscus cannabinus Species 0.000 title claims abstract description 83
- 238000005096 rolling process Methods 0.000 title claims abstract description 41
- 238000003860 storage Methods 0.000 claims abstract description 70
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 18
- 238000012546 transfer Methods 0.000 claims description 43
- 239000012535 impurity Substances 0.000 claims description 34
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000005336 cracking Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000006748 scratching Methods 0.000 claims description 2
- 230000002393 scratching effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 19
- 230000006835 compression Effects 0.000 abstract description 10
- 238000007906 compression Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007873 sieving Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000012216 screening Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 208000003251 Pruritus Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F11/00—Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses a crawler rolling type kenaf threshing device, which belongs to the field of agricultural machinery and comprises a kenaf conveying chain, a threshing main body and a storage box body, wherein the threshing main body comprises a frame, a threshing shell and an annular crawler which is positioned in the threshing shell and is used for rolling kenaf fruits, the frame is fixedly arranged on the upper surface of the storage box body, and the threshing shell is fixedly arranged on the frame; four crawler press rollers for supporting the annular crawler are uniformly distributed in the annular crawler, and an arc screen plate for allowing kenaf seeds to pass through is arranged at the seed outlet. The beneficial effects of the invention are as follows: the ring-shaped caterpillar band rolling is adopted to replace the traditional roller rolling threshing, and the caterpillar band shape and the size of the passage between the caterpillar band shape and the threshing shell are controllable according to the position of the caterpillar band compression roller in the threshing shell, so that the rolling area of kenaf in the process from the inlet to the outlet of the threshing main body is greatly increased, the threshing efficiency of the threshing main body is improved, and the threshing of the threshing main body is more thorough.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a crawler rolling type kenaf threshing device.
Background
At present, the kenaf is usually threshed manually, has high labor intensity and low working efficiency, and particularly, the kenaf can fly burrs and irritate skin in the threshing process, so that the kenaf is itchy and hard for workers, has a severe working environment and is harder than the threshing operation of common crops. At present, mechanical equipment is also adopted to press the kenaf seeds, and the seed breaking rate reaches more than 30 percent although the working efficiency can be improved, so that the threshing cost is too high.
The utility model patent with publication number CN202232215U discloses a threshing machine for threshing kenaf fruits, which comprises a frame, a roller driven by power is arranged on the frame, a threshing rack is arranged on the surface of the roller along the axial direction, a roller cover arranged on the frame is arranged above the roller, an arc-shaped sieve matched with the threshing rack for threshing is arranged below the roller cover, an inoculation groove is arranged below the arc-shaped sieve, and a feed inlet and a slag outlet are arranged on the roller cover. However, as the adopted roller rotates, threshing is carried out by matching the threshing racks on the surface of the roller with the arc-shaped sieve, seeds are released after the kenaf fruits are broken only by pressure, and the threshing racks and the arc-shaped sieve have small action area and low efficiency and can only be used for threshing kenaf which is cut off in the earlier stage.
Disclosure of Invention
In order to overcome the problems of low working efficiency, high requirement on kenaf raw materials, uncleanness in threshing and the like of a kenaf grain threshing device in the prior art, the invention provides a crawler rolling type kenaf threshing device which comprises a kenaf conveying chain, a threshing main body and a storage box body, wherein the threshing main body is fixedly arranged on the upper surface of the storage box body, and an outlet of the kenaf conveying chain is connected with an inlet of the threshing main body; the threshing main body is cylindrical in shape, an inlet of the threshing main body is arranged at a position above the upper surface of the storage box body, and a seed outlet for discharging kenaf seeds and an impurity outlet for discharging kenaf branches are arranged in the storage box body; the threshing main body comprises a frame, a threshing shell and an annular crawler belt which is positioned in the threshing shell and used for rolling kenaf fruits, the frame is fixedly arranged on the upper surface of the storage box body, and the threshing shell is fixedly arranged on the frame; four crawler press rollers for supporting the annular crawler are uniformly distributed in the annular crawler, the seed outlet is positioned on the lower surface of the threshing shell, and an arc screen plate for allowing kenaf seeds to pass through is arranged at the seed outlet.
The ring-shaped caterpillar band rolling is adopted to replace the traditional roller rolling threshing, and the caterpillar band shape and the size of the passage between the caterpillar band shape and the threshing shell are controllable according to the position of the caterpillar band compression roller in the threshing shell, so that the rolling area of kenaf in the process from the inlet to the outlet of the threshing main body is greatly increased, the threshing efficiency of the threshing main body is improved, and the threshing of the threshing main body is more thorough.
Further, the impurity outlet is disposed behind the seed outlet.
Further, first raised strips for rolling and cracking the kenaf fruits are uniformly distributed on the length direction of the outer surface of the annular crawler belt, and a knife edge for scratching the kenaf fruits is arranged on one side of the surface of the first raised strips in the anticlockwise direction.
The outer surface of the annular crawler belt is provided with a first raised line and a knife edge, so that the annular crawler belt not only plays a rolling role in the process of rolling kenaf fruits, but also can scratch the kenaf fruits when rolling, and the internal seeds can flow out to achieve the threshing purpose; in addition, the first raised strips also play a role in bringing the kenaf branches to the impurity outlet position during the anticlockwise movement of the endless track.
Further, second convex strips for preventing the annular crawler from slipping are uniformly distributed on the length direction of the inner surface of the annular crawler, and positioning grooves corresponding to the second convex strips are formed in the circumferential surface of the crawler press roller.
Through the cooperation of second sand grip and constant head tank for annular track follows its anticlockwise motion at four track compression rollers pivoted in-process, prevents to skid between annular track and the track compression roller.
Further, an tightness adjusting assembly for controlling tightness of the annular crawler belt is further arranged in the annular crawler belt.
Further, the tightness adjusting assembly comprises a tightness adjusting roller, a telescopic spring assembly and a fixed shaft, wherein the fixed shaft is fixedly arranged on the frame, and the center of the tightness adjusting roller is fixedly arranged on the fixed shaft through the spring assembly.
The purpose of adjusting the tightness of the annular crawler belt is achieved by controlling the distance between the tightness adjusting roller and the fixed shaft in the spring assembly.
Further, a transfer assembly for transferring impurities at the bottom of the threshing shell to an impurity outlet is arranged in the annular crawler belt.
Further, the transfer assembly comprises a telescopic spring assembly and a transfer roller, a plurality of groups of transfer hooks are uniformly distributed on the transfer roller shaft, and the transfer hooks on each group of transfer hooks are uniformly distributed in the circumferential direction of the transfer roller.
In the threshing process of rolling by adopting the annular crawler, although the first raised strips play a role in transferring branches, a certain safety distance exists between the annular crawler and the threshing shell, so that the accumulated branches at the bottom of the threshing shell are more and more, if the more effective transfer is not performed, the rolled branches are more and more compact and cannot be subjected to stable threshing operation when the threshing process is performed for a long time, the transfer assembly is arranged between the bottom of the threshing shell and the impurity outlet, the transfer hooks are arranged on the transfer rollers, the branches are turned over and transferred to the impurity outlet by the transfer hooks, and the kenaf seeds can not be brought to the impurity outlet by the design of the transfer hooks, so that the separation of the branches and the seeds is realized.
Further, the spring assembly comprises a first straight rod, a second straight rod and a spiral spring, wherein the first straight rod is a hollow rod, one end of the second straight rod is sleeved inside the first straight rod, and the other end of the second straight rod is fixedly arranged at the center of the elastic adjusting roller; one end of the second straight rod, which is far away from the first straight rod, is fixedly arranged on the fixed shaft, one end of the spiral spring is fixedly arranged on the first straight rod, and the other end of the spiral spring is fixedly arranged on the second straight rod.
Further, a cutter for cutting the kenaf into small sections is arranged at the outlet of the kenaf conveying chain.
Further, a feeding inclined plate is arranged at the connection position of the inlet of the threshing main body and the kenaf conveying chain, the feeding inclined plate is positioned at the lower position of the outlet of the kenaf conveying chain, and one end of the feeding inclined plate is fixedly arranged on the inlet of the threshing main body.
In actual operation, the cutting frequency of the cutter is controlled so that the length of the kenaf branches is controlled to be 15-25cm, the cut kenaf branches fall from the outlet of the kenaf conveying chain, enter the threshing main body through the feeding sloping plate for threshing, the threshed seeds enter the storage box body from the seed outlet at the bottom of the threshing shell, and the branches and kenaf shells enter the storage box body from the impurity outlet.
Further, including storage box shell body, first seed sieve, second seed sieve and baffle in the storage box body, the inside seed sieve district, impurity sieve district, first storage box, second storage box, third storage box and the fourth storage box that forms by seed sieve and baffle separation of storage box shell body, the seed sieve district is located arc screen plate below, seed sieve district below is first storage box, first storage box with seed sieve district separates through first seed sieve.
Further, first storage box, second storage box, third storage box and fourth storage box are arranged in proper order from the front to the back, the baffle includes first baffle, second baffle, third baffle, fourth baffle and fifth baffle, first storage box with separate through first baffle between the second storage box, second storage box with separate through the second baffle between the third storage box, third storage box with separate through the third baffle between the fourth storage box, fourth baffle one end is connected on the second baffle one end, the other end fixed mounting is in threshing shell outside impurity export below position department.
Further, the second seed screen and the third baffle separate the impurity screening zone, third storage tank and fourth storage tank; the third storage box is located right below the impurity screening area and is separated by the second seed screen.
Further, the fifth baffle is located at a position above the second storage box and is used for guiding seeds discharged from the arc-shaped screen plate to the first seed screen to achieve screening.
Further, the included angle between the first seed sieve and the horizontal plane as well as the included angle between the second seed sieve and the horizontal plane are 25-40 degrees.
Further, the tightness adjusting roller and the transfer roller are respectively positioned at the left side and the right side of the track press roller at the lowest part, and the included angle between the length direction of the spring component on the tightness adjusting component and the length direction of the spring component on the transfer component is 85-105 degrees, preferably 90 degrees.
Further, the arc-shaped screen plate has a cross-section arc angle of 85-105 degrees, preferably 90 degrees.
Further, the center of the tightness adjusting roller and the left side edge of the arc screen plate are just positioned on the same radius of the threshing shell; the center of the transfer roller and the right side edge of the arc screen plate are just positioned on the same radius of the threshing shell.
Further, the first seed screen comprises a bottom plate, a screen body, and a spring connection assembly for connecting the screen body with the bottom plate.
Further, the bottom plate is fixedly arranged on the ground, mounting side plates for mounting the spring connecting assembly are arranged on two sides of the screen body, and the spring connecting assembly comprises a vertically arranged movable connecting rod; the movable connecting rod passes through the installation side plate, the lower extreme fixed mounting is in on the bottom plate, the upper end is fixed by first nut, first nut with install the blotter between the installation side plate, be located on the movable connecting rod installation side plate below from the top down movable mounting has blotter, metal gasket, vibration spring, second nut in proper order, the second nut will vibration spring upwards pushes up on the metal gasket.
Further, the second seed screen is identical in structure to the first seed screen.
Because during operation, the rotation of the crawler compression roller of the crawler of the threshing main body can bring certain vibration effects to two seed sieves on the storage box body, and the design of the spring connecting assembly in the threshing main body can enable the first seed sieve and the second seed sieve to keep relative balance in the vibration process, and the enhancement effect of seed sieving can be further achieved under the condition that the use of the threshing device is not affected.
Compared with the prior art, the invention has the beneficial effects that:
(1) The ring-shaped caterpillar band rolling is adopted to replace the traditional roller rolling threshing, and the caterpillar band shape and the size of the channel between the caterpillar band shape and the threshing shell are controllable according to the position of the caterpillar band compression roller in the threshing shell, so that the rolling area of kenaf in the process from the inlet to the outlet of the threshing main body is greatly increased, the threshing efficiency of the threshing main body is improved, and the threshing of the threshing main body is more thorough;
(2) The outer surface of the annular crawler belt is provided with a first raised line and a knife edge, so that the annular crawler belt not only plays a rolling role in the process of rolling kenaf fruits, but also can scratch the kenaf fruits when rolling, and the internal seeds can flow out to achieve the threshing purpose; in addition, in the process of anticlockwise movement of the annular crawler belt, the first raised strips also play a role in bringing the kenaf branches to the impurity outlet position;
(3) In the rolling threshing process by adopting the annular crawler belt, although the first raised strips play a role in transferring branches, due to a certain safety distance between the annular crawler belt and the threshing shell, the accumulated branches at the bottom of the threshing shell are more and more, if the more effective transfer is not carried out, the rolled branches are more and more compact and cannot be stably threshed during long-time operation, the transfer assembly is arranged between the bottom of the threshing shell and the impurity outlet, the transfer hooks are arranged on the transfer rollers, the branches are turned over and transferred to the impurity outlet by the transfer hooks, and the kenaf seeds can not be brought to the impurity outlet by the design of the transfer hooks, so that the separation of the branches and the seeds is realized;
(4) The threshing rate of the kenaf by adopting the caterpillar rolling in the patent can reach more than 99.9%, the threshing of the kenaf is basically realized by 100%, the crushing rate is kept below 0.2%, the threshing rate of the kenaf per hour reaches 500kg, and the threshing rate is far higher than that of the existing kenaf threshing device; due to the adoption of closed threshing, burrs generated in the threshing process are positioned in the storage box body and the threshing main body, so that the burrs are effectively prevented from flying.
Drawings
FIG. 1 is a diagram showing the construction of a preferred track rolling kenaf threshing device according to the present invention;
FIG. 2 is a diagram showing a structure of a threshing main body according to the present invention;
FIG. 3 is a diagram showing a first projecting strip structure according to a preferred embodiment of the present invention;
FIG. 4 is a schematic front view of a first preferred seed screen of the present invention;
FIG. 5 is a partial perspective view of a preferred first seed screen of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the caterpillar rolling type kenaf threshing device comprises a kenaf conveying chain 1, a threshing main body 2 and a storage box body 3, wherein the threshing main body 2 is fixedly arranged on the upper surface of the storage box body 3, and an outlet of the kenaf conveying chain 1 is connected with an inlet of the threshing main body 2; the threshing main body 2 is cylindrical in shape, an inlet of the threshing main body is arranged above the upper surface of the storage box body 3, and a seed outlet 21 for discharging kenaf seeds and an impurity outlet 22 for discharging kenaf branches are arranged in the threshing main body 2 in the storage box body 3; the threshing main body 2 comprises a frame 23, a threshing shell 24 and an annular crawler belt 25 which is positioned in the threshing shell 24 and is used for rolling kenaf fruits, the frame 23 is fixedly arranged on the upper surface of the storage box body 3, and the threshing shell 2 is fixedly arranged on the frame 23; four caterpillar press rollers 26 for supporting the endless caterpillar 25 are uniformly distributed in the endless caterpillar 25, the seed outlet 21 is positioned on the lower surface of the threshing shell 24, and an arc screen plate 211 for allowing kenaf seeds to pass through is arranged at the seed outlet 21. The ring-shaped caterpillar band rolling is adopted to replace the traditional roller rolling threshing, and the caterpillar band shape and the size of the passage between the caterpillar band shape and the threshing shell are controllable according to the position of the caterpillar band compression roller in the threshing shell, so that the rolling area of kenaf in the process from the inlet to the outlet of the threshing main body is greatly increased, the threshing efficiency of the threshing main body is improved, and the threshing of the threshing main body is more thorough. An impurity outlet 22 is provided behind the seed outlet 21.
Referring to fig. 3, first raised strips 251 for rolling and breaking the kenaf fruits are uniformly distributed on the outer surface of the endless track 25 in the length direction, and a knife edge 252 for cutting the kenaf fruits 5 is arranged on one side of the surface of the first raised strips 251 in the counterclockwise direction. The first raised strips are arranged on the outer surface of the annular crawler belt, and the knife edge is arranged, so that the rolling effect is realized in the process of rolling the kenaf fruits 5 by the annular crawler belt, and the knife edge can scratch the kenaf fruits 5 while rolling, so that the internal seeds flow out to achieve the threshing purpose; in addition, the first raised strips also play a role in bringing the kenaf branches to the impurity outlet position during the anticlockwise movement of the endless track.
Second raised strips 253 for preventing the endless track 25 from slipping are uniformly distributed on the inner surface of the endless track 25 in the length direction, and positioning grooves 261 corresponding to the second raised strips 253 are formed on the circumferential surface of the track pressing roller 26. Through the cooperation of second sand grip and constant head tank for annular track follows its anticlockwise motion at four track compression rollers pivoted in-process, prevents to skid between annular track and the track compression roller.
As a preferred embodiment, the inside of the endless track 25 is further provided with a tightness adjusting component 27 for controlling tightness of the endless track 25, the tightness adjusting component 27 comprises a tightness adjusting roller 271, a telescopic spring component 272 and a fixed shaft 273, the fixed shaft 273 is fixedly installed on the frame 23, and the center of the tightness adjusting roller 271 is fixedly installed on the fixed shaft 273 through the spring component 272. The purpose of adjusting the tightness of the annular crawler belt is achieved by controlling the distance between the tightness adjusting roller and the fixed shaft in the spring assembly.
As a preferred embodiment, a transfer assembly 28 is also provided inside the endless track 25 for transferring the impurities located at the bottom of the threshing shell 24 to the impurity outlet 22.
The transferring assembly 28 comprises a telescopic spring assembly 272 and a transferring roller 281, a plurality of groups of transferring hooks 282 are uniformly distributed on the shaft of the transferring roller 281, the transferring hooks 282 on each group of transferring hooks 282 are uniformly distributed on the circumference direction of the transferring roller 281, the center of the transferring roller 281 is fixedly installed on the fixed shaft 273 through the spring assembly 272, and a strip-shaped pore canal (not shown in the figure) for the transferring hooks 282 to pass through is arranged on the annular track 25 at the position corresponding to the transferring hooks 282. In the threshing process of rolling by adopting the annular crawler, although the first raised strips play a role in transferring branches, a certain safety distance exists between the annular crawler and the threshing shell, so that the accumulated branches at the bottom of the threshing shell are more and more, if the more effective transfer is not performed, the rolled branches are more and more compact and cannot be subjected to stable threshing operation when the threshing process is performed for a long time, the transfer assembly is arranged between the bottom of the threshing shell and the impurity outlet, the transfer hooks are arranged on the transfer rollers, the branches are turned over and transferred to the impurity outlet by the transfer hooks, and the kenaf seeds can not be brought to the impurity outlet by the design of the transfer hooks, so that the separation of the branches and the seeds is realized.
As a preferred embodiment, the spring assembly 272 includes a first straight rod 274, a second straight rod 275 and a coil spring 276, the first straight rod 274 is a hollow rod, one end of the second straight rod 275 is sleeved inside the first straight rod 274, and the other end is fixedly installed at the center of the dancer roll 271; one end of the second straight rod 275, which is far away from the first straight rod 274, is fixedly mounted on the fixed shaft 273, one end of the spiral spring 276 is fixedly mounted on the first straight rod 274, and the other end is fixedly mounted on the second straight rod 275.
The outlet of the kenaf conveying chain 1 is provided with a cutter 11 for cutting the kenaf into small sections.
The connection position of the inlet of the threshing main body 2 and the kenaf conveying chain 1 is provided with a feeding inclined plate 29, the feeding inclined plate 29 is positioned below the outlet of the kenaf conveying chain 1, and one end of the feeding inclined plate 29 is fixedly arranged on the inlet of the threshing main body 2. In actual operation, the cutting frequency of the cutter is controlled so that the length of the kenaf branches is controlled to be 15-25cm, the cut kenaf branches fall from the outlet of the kenaf conveying chain, enter the threshing main body through the feeding sloping plate for threshing, the threshed seeds enter the storage box body from the seed outlet at the bottom of the threshing shell, and the branches and kenaf shells enter the storage box body from the impurity outlet.
The storage box body 3 comprises a storage box outer shell 31, a first seed sieve 32, a second seed sieve 33 and a baffle 34, wherein a seed sieving area 35, an impurity sieving area 36, a first storage box 37, a second storage box 38, a third storage box 39 and a fourth storage box 40 are formed by separating the first seed sieve 32, the second seed sieve 33 and the baffle 34 in the storage box outer shell 31, the seed sieving area 35 is positioned below the arc sieve plate 211, a first storage box 37 is positioned below the seed sieving area 32, and the first storage box 37 and the seed sieving area 35 are separated by the first seed sieve 32.
The first storage box 37, the second storage box 38, the third storage box 39 and the fourth storage box 40 are sequentially arranged from front to back, the baffle 34 comprises a first baffle 341, a second baffle 342, a third baffle 343, a fourth baffle 344 and a fifth baffle 345, the first storage box 37 and the second storage box 38 are separated by the first baffle 341, the second storage box 38 and the third storage box 39 are separated by the second baffle 342, the third storage box 39 and the fourth storage box 40 are separated by the third baffle 343, one end of the fourth baffle 344 is connected to one end of the second baffle 342, and the other end of the fourth baffle 344 is fixedly arranged at a position below the impurity outlet 22 outside the threshing shell 24.
A second seed screen 33 and the third baffle 343 separate the impurity screening zone 36, the third storage tank 39 from the fourth storage tank 40; the third storage tank 39 is located directly below the impurity screening zone 36, separated by the second seed screen 33. A fifth baffle 345 is positioned above the second storage bin 38 for directing seeds discharged from the curved screen panel 211 into the first seeds 32 for screening. The first seed sieve 32, the second seed sieve 33 and the horizontal plane have an included angle of 25-40 degrees.
The dancer roller 271 and the transfer roller 281 are respectively disposed at left and right sides of the lowermost track roller 26, and the angle between the lengthwise direction of the spring assembly 272 of the dancer assembly 27 and the lengthwise direction of the spring assembly 272 of the transfer assembly 28 is 85-105 °, preferably 90 °.
The arc angle of the cross section of the arc screen plate 211 is 85-105 degrees, preferably 90 degrees, and the center of the tightness adjusting roller 271 and the left side edge of the arc screen plate 211 are just positioned on the same radius of the threshing shell 24; the center of the transfer roller 281 and the right side of the arc screen plate 211 are located on the same radius of the threshing shell 24.
As shown in fig. 4 and 5, the first seed sieve 32 includes a bottom plate 321, a sieve body 322, and a spring coupling assembly 323 for coupling the sieve body 322 with the bottom plate 321. The bottom plate 321 is fixedly arranged on the ground, two sides of the screen body 322 are provided with mounting side plates 324 for mounting the spring connecting assembly 323, and the spring connecting assembly 323 comprises a movable connecting rod 325 which is vertically arranged; the movable connecting rod 325 passes through the installation side plate 324, the lower end is fixedly installed on the bottom plate 321, the upper end is fixed by a first nut 326, a buffer pad 327 is installed between the first nut 326 and the installation side plate 324, the buffer pad 327, a metal gasket 328, a vibration spring 329 and a second nut 330 are movably installed on the movable connecting rod 325 from top to bottom below the installation side plate 324 in sequence, and the second nut 330 upwards pushes the vibration spring 329 on the metal gasket 328. The second seed screen has the same structure as the first seed screen, and will not be described again here.
Because during operation, the rotation of the crawler compression roller of the crawler of the threshing main body can bring certain vibration effects to two seed sieves on the storage box body, and the design of the spring connecting assembly in the threshing main body can enable the first seed sieve and the second seed sieve to keep relative balance in the vibration process, and the enhancement effect of seed sieving can be further achieved under the condition that the use of the threshing device is not affected.
While the foregoing description illustrates and describes the preferred embodiments of the present invention, as noted above, it is to be understood that the invention is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (2)
1. The crawler rolling type kenaf threshing device is characterized by comprising a kenaf conveying chain, a threshing main body and a storage box body, wherein the threshing main body is fixedly arranged on the upper surface of the storage box body, and an outlet of the kenaf conveying chain is connected with an inlet of the threshing main body; the threshing main body is cylindrical in shape, an inlet of the threshing main body is arranged at a position above the upper surface of the storage box body, and a seed outlet for discharging kenaf seeds and an impurity outlet for discharging kenaf branches are arranged in the storage box body; the threshing main body comprises a frame, a threshing shell and an annular crawler belt which is positioned in the threshing shell and used for rolling kenaf fruits, the frame is fixedly arranged on the upper surface of the storage box body, and the threshing shell is fixedly arranged on the frame; four crawler press rollers for supporting the annular crawler are uniformly distributed in the annular crawler, the seed outlet is positioned on the lower surface of the threshing shell, and an arc screen plate for allowing kenaf seeds to pass through is arranged at the seed outlet;
The annular crawler belt is characterized in that first raised strips for rolling and cracking kenaf fruits are uniformly distributed on the outer surface of the annular crawler belt in the length direction, and a knife edge for scratching the kenaf fruits is arranged on one side of the surface of the first raised strips in the anticlockwise direction;
The second raised strips for preventing the annular crawler from slipping are uniformly distributed on the length direction of the inner surface of the annular crawler, and positioning grooves corresponding to the second raised strips are formed in the circumferential surface of the crawler press roller;
the inside of the annular crawler belt is also provided with an tightness adjusting component for controlling the tightness of the annular crawler belt;
The tightness adjusting assembly comprises a tightness adjusting roller, a telescopic spring assembly and a fixed shaft, the fixed shaft is fixedly arranged on the frame, and the center of the tightness adjusting roller is fixedly arranged on the fixed shaft through the spring assembly;
The inside of the annular crawler belt is also provided with a transfer assembly for transferring impurities at the bottom of the threshing shell to an impurity outlet;
The transfer assembly comprises a telescopic spring assembly and a transfer roller, a plurality of groups of transfer hooks are uniformly distributed on the transfer roller shaft, and the transfer hooks on each group of transfer hooks are uniformly distributed in the circumferential direction of the transfer roller; a strip-shaped pore canal for the transfer hook to pass through is arranged on the annular track at the position corresponding to the transfer hook;
The spring assembly comprises a first straight rod, a second straight rod and a spiral spring, wherein the first straight rod is a hollow rod, one end of the second straight rod is sleeved inside the first straight rod, and the other end of the second straight rod is fixedly arranged at the center of the elastic adjusting roller; one end, far away from the first straight rod, of the second straight rod is fixedly arranged on the fixed shaft, one end of the spiral spring is fixedly arranged on the first straight rod, and the other end of the spiral spring is fixedly arranged on the second straight rod;
The outlet of the kenaf conveying chain is provided with a cutter for cutting the kenaf into small sections.
2. The track rolling kenaf threshing apparatus of claim 1, wherein said impurity outlet is disposed rearward of said seed outlet.
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| CN201810543329.0A CN108513813B (en) | 2018-05-31 | 2018-05-31 | Caterpillar rolling type kenaf threshing device |
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| CN108513813B true CN108513813B (en) | 2024-06-18 |
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| CN208509644U (en) * | 2018-05-31 | 2019-02-19 | 南漳县华胜机械制造有限公司 | A kind of compaction by bulldozer track formula bluish dogbane sheller unit |
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| ATE4156T1 (en) * | 1979-02-06 | 1983-08-15 | Sigmund Stokland | HARVESTER. |
| CN2536020Y (en) * | 2002-02-20 | 2003-02-19 | 涂国荣 | Vibration thresher with chaff sucker |
| CN202232215U (en) * | 2011-09-20 | 2012-05-30 | 沅江市利佳科技有限公司 | Threshing machine |
| CN206728624U (en) * | 2017-05-15 | 2017-12-12 | 河南科技大学 | A kind of millet threshing mechanism |
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| CN208509644U (en) * | 2018-05-31 | 2019-02-19 | 南漳县华胜机械制造有限公司 | A kind of compaction by bulldozer track formula bluish dogbane sheller unit |
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Effective date of registration: 20240522 Address after: No. 9 Shuanggui Street, Mingshan Street, Fengdu County, Chongqing, 408200 Applicant after: Chongqing Yedian Garden Engineering Co.,Ltd. Country or region after: China Address before: Yongquan Electromechanical Industrial Park, Nanzhang Economic Development Zone, Xiangyang City, Hubei Province, 441500 Applicant before: NANZHANG COUNTY HUASHENG MACHINERY MANUFACTURING Co.,Ltd. Country or region before: China |
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